Automotive Shock Absorber maintenance of common sense

Usually the car travels 100000 kilometers to check a shock absorber, maintenance cycle between different models may be slightly different, your car will need to be replaced and maintenance, please through Auto Diagnostic Tool check.

Note: when you need to change the shock absorber is best in two at a time, there was a root before or after the shock absorber has a problem, need two to replace together before or after the shock absorber, because when you change a car balance uneven force, will cause shock absorber force is different, can appear more shock absorber problem!

1, before the purchase of goods, be sure to verify that car models, displacement and other information to ensure the correct types of accessories available. You can check your car maintenance manuals, you can use Launch X-431 PADII or Launch X-431 PAD tool to check.

2, each car has four vibration absorber, respectively is the front left, front right, rear left, right, if shock absorbers need replacement, best in two at a time, there was a root before or after the shock absorber has a problem, need two to replace together before or after the shock absorber, to avoid the car balance uneven force, causing shock absorber shock absorber problems.

3, the choice of quality products and services. Counterfeit Shock Absorber although the price is low, through the Autoboss V30 SPX or Xtool PS2 tool check, fake shock absorber of life less than half of the high quality shock absorber. During stretching due to bad seal caused oil spills, leaking oil would not achieve the damping effect, will have a serious sense of bumpy road. Moreover, in high-speed driving on the way will suddenly fail, causing the tilt, personal security will be seriously threatened.
Source: http://www.focalobd.com/blog/automotive-shock-absorber-maintenance-of-common-sense/

How to clean EFI engine fuel injection system

EFI engine is currently on the vehicle use a very wide range of equipment, compared with the conventional carbureted fuel system, EFI engine fuel supply system, not only complex, but also parts with precision. When using Auto Diagnostic Tool maintenance necessary to pay special attention.

During cleaning maintenance, some parts can not be disassembled and dismantled, some parts assembly requirement is high, which makes gasoline injection system than the carburetor type vehicles are more vulnerable to the dangers of gasoline in the colloid, sediment, the cleaning is very complex.

The engine fuel supply system, the air inlet and exhaust system are clean and have a decisive influence on the driving performance of the vehicle. Due to the impact with the environment and fuel quality injectors, intake manifold, intake and exhaust valves and the combustion chamber is easy to produce gelatinous precipitates, etc., affect the normal fuel supply, cause by fuel injection quantity control is not accurate, the fuel spray is bad, the oil pressure regulation failure, which causes the engine idle speed instability, the acceleration bad, knock, lack of fire, fuel consumption, exhaust emissions exceed the failure phenomenon. These faults can be using the Launch X-431 PAD or Launch X431 Creader VIII tool checked out.

In order to clean the oil supply system to solve the problem from the inside, they usually avoid demolition clean way. Vehicle cleaning jobs by special Autel MaxiDas DS708 or Autel Maxidiag Elite MD701 tools and equipment and cleaning agents, under certain pressure and flow control, intake manifold, fuel injectors, intake and exhaust valves and combustion chamber thorough cleaning to restore the normal operation of the fuel system, to ensure good driving performance of the car.
Source: http://www.focalobd.com/blog/how-to-clean-efi-engine-fuel-injection-system/

How to maintenance automobile suspension systems

Is the so-called suspension system, between the wheel and the vehicle body, take on the job of carrying the body and absorbing the vibration, to provide the best comfort. Under normal circumstances, the shock absorber may have a fever, if you do not explain the fever shock absorber oil spills. Car driving, each time shaking up and down, the suspension will be rattled, and when the uneven road surface noise intensified, it means suspension system malfunction, may be a shock absorber damage or shock absorber rubber sleeve damage. If you are not sure what the reason, you can use Auto Diagnostic Tool to check the car's performance.

Suspension - Shock Absorber check
Suspension system not only affect vehicle ride comfort, but also as through sex, stability and adhesion performance impact on other properties. The original is in the suspension system includes shock absorbers, springs, anti roll bars, rods and other parts. In turn, especially a sharp turn, body roll is too large, indicating that the damper, stabilizer bar, or is the guiding mechanism parts are damaged.

Brake System - Brake oil brakes
In daily use, to use Launch X-431 PAD or Launch X431 V+ Pro3 tool to check whether the vehicle brake deviation, braking performance how, and how the effect of the parking brake (handbrake) is. In the maintenance of the vehicle, the brake system must first be carried out in the brake oil inspection, such as the brake pipe is cracked, brake oil leakage, etc.. The brake pedal is also a part of the need to pay attention.

After you replace the brake pads, check whether the brake pedal return to normal, daily driving time to pay attention to prevent the mat to slide under the brake pedal, so the brakes can not be trampled to death.

Brake system plus brake fluid can not be mixed, at present, the market most cars are equipped with two braking systems: foot-controlled brake (brakes) and hand control of the parking brake (handbrake). Replace the brake fluid, must take the original brake oil finished, cannot mixed with, more can not be mixed with air inside the brake fluid. Generally speaking, the brake pads wear degree with habits have great relationship, automatic car brake pads with better than manual transmission fast, generally more than 20000 kilometers later, each time to do maintenance to use Autel MaxiSys Pro MS908P or Xtool PS2 tool to check the car brake pads. This can better protect the suspension system. If the rubber sleeve is badly damaged, it must be replaced with the shock absorber.
Source: http://www.focalobd.com/blog/how-to-maintenance-automobile-suspension-systems/

How to correctly use car air conditioning

The correct use and maintenance will maximize the performance of air conditioning and extend the service life, and the error use will greatly damage the air conditioning systems, to make life greatly reduced. Automobile Air Conditioning life depends largely on whether the user is able to correctly use and maintenance. You can use the Auto Diagnostic Tool to check car air conditioning performance, air conditioning installed on the car must be carefully read the use of instructions, in accordance with the above instructions.

1, In order to avoid the excessive load of the engine starting, while the air conditioning compressor can quickly into the best working conditions, the first not to rush to the open air. Should put doors, windows open, you can use a fan for ventilation, etc. twenty or three minutes later to sit in the hot gas discharge start the car, and do not rush to close the windows, turn on air-conditioning outside the circle, when the inside and outside the temperature is close, and then close the window, enabling the internal cycle.

2. Select the appropriate air temperature, air conditioning maintenance is the first step. Because of the hot weather, many owners prefer to adjust the temperature too low, which will affect their health. Under normal circumstances, the compartment temperature difference with the outside temperature should be 5 ℃ to 6 ℃, the optimum temperature of air conditioning is 18 ℃ to 25 ℃.

3, Refrigeration and air conditioning wind best blowing up, because the cold air to the sink, the direction of the wind tests are best choice blow face gear, adjust the outlet up effect is best, don't choose the windshield of the block, because the temperature of the windshield is very high, would offset a large refrigeration effect. When selecting wind speed gears don't always use top gear, big air volume refrigeration effect is not good. If only the front occupants to choose 2 or 3 block wind speed is enough.

4, suggested that the owners to best in preparation for parking in front of the 6-7 minutes will close the air, let the remaining heat from the evaporation tank water drying, eliminate and outside temperature, so that you can easily keep air conditioning system relatively dry, can reduce air conditioning odor. Moreover, in front of the parking lot to close the air conditioning, will avoid the impact of the battery and air conditioning, to prevent damage to the engine.

Automotive air conditioning system in use process, the air will flow in the blower, refrigerating system evaporation tank, heating system of the small water tank and the air duct. As long as the air conditioning system blower or the air intake mode choice in the indoor cycle, regardless of whether the use of refrigeration devices, air will enter the system. Through Launch X-431 PAD or Launch X431 GDS tool to check show that the above device surface accumulation with a lot of dust, moisture, bacteria and other dirt, and will cause damage and allergic reactions to human respiratory system and skin, directly affect the occupant's health, and air-conditioning system itself will appear refrigeration effect is bad and a small amount of wind and other fault.

Under normal circumstances every 5,000 km or 3 months to conduct a clean air filter, every 20,000 km or 12 months use Xtool PS2 or Autoboss V30 SPX tool to check the air conditioning, and replace the air filter. This will ensure that you can enjoy the fresh clean car interior environment to ensure your health.
Source: http://www.focalobd.com/blog/how-to-correctly-use-car-air-conditioning/

Citroen car air conditioning compressor frequent starts

Configuration 8V engine and manual transmission Citroen. As the hot weather, frequent use of air conditioning systems, and found that air conditioning cooling effect is getting worse, specifically the phenomenon as follows: Press the air conditioning and refrigeration switch (Electric No. 584), air conditioning compressor to operate properly at first, but with the extension of working hours, use Auto Diagnostic Tool testing data showed that the air conditioning compressor electromagnetic clutch is frequent absorption and separation, intermittent failure caused by air conditioning refrigeration function.

Air conditioning system circuit diagram, the air conditioning compressor electromagnetic clutch frequent closing and analyze the cause of the fault separation, according to the possibility of making maintenance plan, and then to repair work as follows:
1) Check the engine compartment fuse box (Electric No. 52) of the fuse F12, normal. In the case of opening and closing of the ignition switch, voltage with a multimeter block measuring the terminal voltage connector 113 BIIA results were obtained for the battery voltage and 0V, normal. In the case of opening and closing of the ignition switch, air conditioner switch assembly measuring terminal 7 NA1 voltage, battery voltage, respectively and 0V, normal.

2) Replace the air conditioning switch, the failure remains. Replace the air conditioning control box, the problem persists, that failure has nothing to do with these two parts.

3) In the case where the engine is not running and the operation of detecting the line pressure of the refrigerant, the refrigerant is obtained by the static pressure of 500kPa, the dynamic pressure of the refrigerant: a high pressure of 1300kPa, a low pressure of 140kPa. The above measurements were compared with standard values, in line with requirements. This ruled out due to the refrigerant pressure abnormalities lead to the air conditioning compressor electromagnetic clutch pull and separate frequent failure factor.

4) Check the coolant temperature control box (appliance No. 53) and the related wiring. External line there is no problem. Replacing the coolant temperature control box test, fault still exists. Continue to check the fuse box in the engine compartment fuse, no abnormality was found. Check the coolant temperature control box plug voltage terminal 15N4,15N15 in the ignition switch is turned on is the battery voltage, Launch X-431 PAD or Launch X431 GDS tool coolant temperature measurements show that the control box supply line is no problem, thus excluding the coolant temperature control box failure factor.

5) Check the coolant temperature sensor (electrical No. 910 for coolant temperature control box to provide coolant temperature signal) and the line, there is no obvious anomalies. Replace the sensor, the fault persists.

6) Check the evaporator temperature sensor (Electric No. 912) and the line of work, there is no appearance problem. Measure the resistance with a multimeter evaporator temperature sensor found resistance is too large. Replace the evaporator temperature sensor, test, fault completely disappeared, ending maintenance work.

The evaporator temperature sensor is a negative temperature coefficient thermistor, its resistance decreases with increasing temperature. When the resistance is too big a problem occurs evaporator temperature sensor, the signal voltage will become larger, air-conditioning control box will mistakenly believe that the evaporator temperature is less than 1 ℃. To prevent evaporator freeze, air conditioning control box off the air conditioning compressor electromagnetic clutch operating power. After a child, Autoboss V30 SPX or AUTOBOSS V30 Elite tool checks found that the evaporator temperature is higher than 3 ℃, began to turn on the air conditioning compressor electromagnetic clutch pull. Again and again, the results of the air conditioning compressor frequent start of the fault phenomenon. The evaporator temperature sensor is a vulnerable part, only after the damage can be replaced.
Source: http://www.focalobd.com/blog/citroen-car-air-conditioning-compressor-frequent-starts/

Steyr 91 series heavy duty truck air filter maintenance guide

Steyr 91 series heavy-duty truck engine adopts a dry air filter. Hyundai increased use of paper air filter, high efficiency air filter paper, Auto Diagnostic Tool test data shows that only 0.1% to 0.3% transmittance of dust. Use paper air filter can reduce wear of the cylinder and piston, extending engine life. Should be used with care and attention to the following points:

(1) Master the characteristics of wd615 engine paper filter and cleaning method
This air filter, the outer filter element is treated with microporous filter paper, and the surface is treated by resin.. In the engine operation, the air filter through the microporous filter to the dust, ensure clean air into the turbocharger and then into the cylinder. Senior internal filter made of felt, a safety cartridge. In use, the filter will pick up around the outer layer of dust. Clean the air filter outside filter, not used water, oil, should prevent oil dip filter; commonly used method is to gently pat. Specifically: gently tap on the tire, beat the dust out, and then dried 0.4mpa the following air purge. When the purge should be blown inside out.

(2) Regular cleaning and replacement of filters
In Steyr 91 series of heavy-duty vehicles so that there shall maintain provisions for periodic air filter cleaning and replacement, in order to avoid excessive dust adhered to the filter, causing the intake resistance increases, reducing engine power and increased fuel consumption. Cars with 2000 ~ 4000km, air filter (inside and outside) clean, replace the filter at the outer 12000km, Launch X-431 PAD or Launch X431 Diagun III tool checks show that: in the best six months to replace the filter. If the filter is damaged should be replaced promptly.

(3) Installed correctly
In the inspection and maintenance of air filters, the seal on the filter pad must be installed well. Rubber gaskets easy to aging and deformation, the air is easy to flow through the gap from the seal, the dust into the cylinder. If the gasket aging, the best replacement of the air filter. External filter meshes such as rupture or the upper and lower end caps glued joints cracked should be replaced.

Dry air filter is passed through a dry filter, such as paper filter, the air impurities in the filter. Light vehicles (including cars, mini-cars) is generally used as a single-stage air filter. Its oval or elliptical shape and flatbed. The filter material is filter paper or nonwoven fabric. Filter cover with metal or polyurethane, the shell material is a metal or plastic. At rated air volume flow, original filtration efficiency filter should not be less than 99.5%.

Heavy duty vehicle due to poor working conditions, it must be more than one air filter. The first stage cyclone pre-filter (such as a blade ring, swirl tubes, etc.), used to filter impurities coarse particles, filtration efficiency above 80%, the second stage fine filter is a porous paper filter (commonly referred to as primary filter), the filtration efficiency of 99.5%. after the main filter element and a security filter, its role is in the installation and replacement of the main filter element, or in the main filter accidental damage, to prevent dust from entering the engine, you can regularly for the use of Xtool PS2 or Autel Maxidiag Elite MD703 tools to check the engine performance, the core material more secure non-woven fabric, but also the use of filter paper.
Source: http://www.focalobd.com/blog/steyr-91-series-heavy-duty-truck-air-filter-maintenance-guide/

Anti-lock braking system ABS function introduction

Anti-lock braking system ABS can be installed on any car with hydraulic brakes. It is the use of the valve body of a rubber balloon, when put on the brakes, giving the brake oil pressure, flooded to the ABS valve, when the airbag use compartment in the middle of the air pressure to return, so to avoid wheel lock dead center. When the wheel is about to reach a dead lock, brake oil pressure the effects of repeated balloon, under the OBD Diagnostic Tool check, found in a matter of seconds can be 60 ~ 120 times, in does not stop brake, relax. ABS is composed of wheel speed sensor, engine speed sensor, solenoid valve, computer and hydraulic control unit (hydraulic regulator), and its characteristics are as follows four:

1, ABS with excellent performance and self diagnostic capabilities, you can rest assured that use. In addition, the use of ABS and the common brake system using almost the same, braking to foot on the brake plate normal braking can be, ABS will own the brake hold at the optimal point.

2, the car brakes, the braking force of the four wheels are different, if the car's front wheels to lock, the driver can not control the direction of travel of the car, prone to risk of a collision, if the first locking the rear wheels, can appear the skidding, tail flick, if installation of ABS, can avoid four wheel is locked, Launch X-431 PAD or Launch X431 GDS tool can detect ABS data, the ABS system improve the stability of the vehicle in the braking process;

3, compared with the conventional braking system, under the state of emergency braking, ABS can make the wheel in both rolling and drag, which greatly increases the tire and the ground friction and shorten the braking distance, namely the so-called optimal braking point or region, while the ordinary brake system is unable to do this;

4, It is proved that the wheel fully locked will cause tire cup type wear, make the uneven abrasion on the tire surface, thereby increasing the tire wear and tear.

Thus, ABS anti-lock system, can avoid the braking when the direction is out of control and wheel sideslip, make the wheel when the brakes are not locked, don't let the tire friction with the ground at one point, so as to increase the friction, in the Autel MaxiSys MS908 or Xtool PS2 tool checks found, ABS system makes the brake efficiency of 90% or more, while reducing brake consumption and extend brake drum, disc and double the life of the tire. Vehicles equipped with ABS in dry blacktop, rain, snow, skid resistance reached 80% - 90%, 30%, 10%, 15% - 20%.
Source: http://www.focalobd.com/blog/anti-lock-braking-system-abs-function-introduction/

Audi A6 car exhaust pipe black smoke

Audi A6 car engine operation of the exhaust pipe a small amount of black smoke emitted, exhaust gas is faulty. After testing, the engine power was normal. OBD Diagnostic Tool connector perform self-diagnosis, the engine system has a fault code, reads "00561, mixture adjustment exceeds the limit." Executive DTC Clear function, the fault code is cleared. Fault analysis, there may be poor oxygen sensor performance. View the data flow (functional path 01-08-007), the idle mode of the 007 data block 1 zone data (mixed gas formation control value) for -25%, 2 District data (oxygen sensor signal voltage) of 0 809V. Under normal circumstances, the mixture formation control value should be within the range of -10%, 10%, and the fluctuation of the mixture of the mixture is slightly fluctuation with the fuel injection quantity.. -25% data shows that the engine control module attempts to reduce fuel injection, in order to control the concentration of mixture in normal range. The signal voltage of the oxygen sensor is 0 809V, partial rich mixture, in conformity with the fault phenomena of the smoke.

By the principle of fuel injection, the engine control module mainly according to engine speed signal, air flow sensor signal to determine the basic fuel injection quantity, use the Launch X-431 PAD or Launch X431 GDS tool to check air flow sensor. Select the feature path 01-08-002, view the air flow sensor data (4 area data). The air flow at idle speed is about 7.5 kg/s, which is obviously larger than the normal 2 0kg/s -4... The 2 zone data is the theory injection time (crankshaft to a circle), the 3 zone data for the engine a working cycle of injection time (actual injection time). The actual injection time is on the basis of theory of injection time correction of, should be twice fuel injection time and the car of the two injection time almost the same it proves that the theory of injection time is too long, after correction of the actual injection time shorter. When the fuel injection time correction exceed the limit, the failure code will occur 00561. The result of the above detection is that the cause of the fault is the air flow sensor signal is too big 6 replacement air flow sensor, the fault completely ruled out.

Since the air flow sensor signal in the car idling just too high, and in the part-load conditions and acceleration conditions are normal, and therefore less impact on the overall condition of the engine, fuel consumption is not significantly increased. In addition, by Autel MaxiSys Pro MS908P or Xtool PS2 dynamic data analysis process it can be seen, although the engine control module based on the oxygen sensor signal identification to the mixture is too thick, but no corresponding reduction in the fuel injection quantity so that the concentration of the mixture back to normal, the reason is, fuel injection depending on the amount of engine intake air, engine speed, oxygen sensor signal is only a feedback signal as a mixed gas under closed-loop control mode, the fuel injection quantity correction within a certain range.
Source: http://www.focalobd.com/blog/audi-a6-car-exhaust-pipe-black-smoke/

What are the reasons for auto body shake

Auto Body slight jitter situation many owners often encountered. If the owners to start the vehicle or the vehicle is not suspended off the engine case, if you find a slight shake the car body, it may mean that the following three conditions exist vehicle:

If the driving process, found the body there is a slight jitter or offsets, it is generally caused by tire failure. First, the tire may be poor balance, you need to go as soon as to the car repair shop to do the wheel alignment and balancing, there is a simple way, using Auto Diagnostic Tool to do a correction.

Another condition is more serious, possibly because rim distortion, which requires owners to go to a professional repair shop to check. This situation generally occurs in the use of five-year vehicles. General motors to replace the new tires, new rims when to do a tire balance, otherwise the weight does not mean when the steering wheel is prone to jitter phenomenon. The body jitter can have an effect on driving comfort and control judgment. There is also a simpler way, using the Launch X431 GDS or Launch X-431 PAD tool to check whether the tire is balanced, if the balance, is not required to the repair shop.

The third case is because the transmission shaft deformation caused by the imbalance, it typically occurs in the chassis of the car had a collision.

If there is to start car the body shaking, the fault is for equipment manual transmission vehicles, such as: from static started and slowly lift the clutch pedal, the vehicle vibration. This is due to a clutch three piece suit (flywheel, clutch plate and pressure plate) the irregular wear, in which one or a few pieces to produce deflection caused by, in the bonding process, clutch disc can not be smoothly joined, but a joint, a little and release of the engine power is just beginning to transfer, and suddenly slipped, replace the clutch three sets of damage, in using Autel Maxidiag Elite MD701 or Autel AutoLink AL609 tool for the detection of gearbox is working properly.
Source: http://www.focalobd.com/blog/what-are-the-reasons-for-auto-body-shake/

Summer car air conditioning maintenance tips

Summer use car, certainly can not do without air conditioning. Then the use of car air-conditioning, the owners should pay attention to what? Today we'll explore the automotive air conditioning problem, of course, also need to prepare OBD diagnostic tool.

Clean the condenser
Air-conditioning system in use for some time, the surface of the condenser will be coated with some foreign body, these foreign bodies blocking the air filter, or floating on the surface of the condenser, which will affect the cooling effect of air conditioning, air conditioning will produce odor, adverse effects on the human body . Should go to the auto repair shop for an inspection of the vehicle air conditioning system, generally they will use Launch X431 IV GX4 Master or Launch X-431 PAD tool to clean the condenser surface of the foreign body, if necessary replace the air filter, in order to maintain a good environment for air conditioning running.

Lack of refrigerant
Lack of air conditioning refrigerant is the main cause of air conditioning refrigeration effect is not good. In normal circumstances, the refrigerant is not reduced, and the main reason is the refrigerant that leaked. Therefore, when check the air conditioning system, to each line carefully check joint, found to have leaked refrigerant situation due to the timely change of relevant components. May require the repair shop at the same time add refrigerant added significantly colored dye, so that when you can easily found leak and timely treatment.

Sterilization
Air conditioning system has numerous piping, duct, these ducts in daily use due to temperature changes, moisture will produce internal hard to avoid. In addition, as the microbes in the air will be left in the air conditioning duct. It's all fueled the growth of bacteria, the bacteria will breed conditioning system odors, serious harm to the health of vehicle occupants. Therefore, regular air-conditioning system for disinfection is still necessary.

Air conditioning additives
The air conditioning compressor additives can increase the compressor, reduce noise, reduce friction, and air conditioning work together to improve the efficiency and extend the life of air conditioning effect. In the auto supply store to buy air conditioning system additive package, the owner can own maintenance on the air conditioning system, the main tool is Autel Maxidiag Elite MD701 or Autel Maxidiag Elite MD703. The main effect of conditioning additives are:

1. Can improve the cooling effect, low air temperature 2-5 ℃.
2. Reduce friction compressor and prolong life.
3. Reduce the air conditioning compressor noise.
4. The fuel savings of about 10%.
Source: http://www.focalobd.com/blog/summer-car-air-conditioning-maintenance-tips/

How to Change Car Air Filter by yourself

The air filter is the first procedure of air entering the engine work, is responsible for removing impurities in the air, provide clean air for the engine, has an important role to protect the engine air filter in use for some time, you must use Auto diagnostic tools to check, easy to clean replacement, refer to the following specific steps:

Step one: Open the hood
Note strut must be plugged in, the air filter is arranged on the left side of the engine, is a rectangular black plastic box, air filter box lid by four bolts, use a screwdriver to unscrew, unscrewed the best using diagonal way, remove bolts, then you can open the box cover of air filter, air filter element is open, there is no other institutions fixed, can be directly taken out.

Step two: Remove and install seals
Remove the air filter cartridge, empty box filter for cleaning, do not throw away after removing the air filter cartridge, install it on top of the air filter ring is not a one-off, need to put it on the new air filter , as long as the seal can be removed from the top.

Take out a new air filter, and installed sealing ring, this link is crucial, don't forget to install the sealing ring.

Step Third: Load the empty cartridges
After installing the seals ring, the entire air filter into the air filter box, pay attention to install in place, can not be misplaced, tilt or leave gaps.

Step Four: bolts
The bolt on the air filter cover and tighten, tighten the order is still diagonal way, one by one gradually tighten stepwise manner.

Step Five: Check
Check to see whether each bolt screwed good, air filter box is normal, without deformation, cracks and large cases, after confirmation, then the hood down.

Note: During the installation, must be careful, do not forget to install seals ring, when installed must be careful not to leave a gap, the installation must also be in place, from the installation to the cover installed filters, etc., To pay attention, must not leave gaps, otherwise will damage the engine, you can also use Launch X-431 PAD or Launch X431 V+ Pro3 tool to check engine performance.

Keep the air filter clean is equivalent to the protection of the engine. In real life, we rely on a variety of cosmetic repair shop for car maintenance, a lot of simple things we can do it yourself, you can use Autel MaxiSys Pro MS908P or Autel Maxidiag Elite MD701 tool to check your car, you might as well try.
Source: http://www.focalobd.com/blog/how-to-change-car-air-filter-by-yourself/

How to clean the car engine to improve performance

Found in the auto repair factory repair, car washing people in a continuous line, but few people clean the engine. Said engine is the car's "heart", so clean the engine is also very important, you can use the Auto diagnostic tool to check whether the engine is good, to avoid security problems.

Due to the use of the car environment is very complex, the engine used for a period of time, into the engine room of dust and impurities in the engine surface carbon and other harmful substances, if long time does not clean up these harmful substances, it will be transformed into sludge, penetrate the surface of the engine, will not only cause rusting metal parts, plastic parts deformation aging, but also lead to engine power reduced and fuel consumption increased, and even produce a variety of oxidation due to damage to the engine, if you are unsure, you can use Launch X-431 PAD and Launch X431 V Pro to be checked.

Therefore, to achieve the objective of saving, it is necessary for the engine regularly cleaning.

Cleaning the engine can ask the professionals, you can also do it yourself by following the procedure performed. First Auto Electric mask with plastic film, then the film with a wet towel on top of the lid to prevent high-pressure water rushed into the distributor, causing the car difficult to start. By the engine side from top to bottom will be attached to the class dirt engine and engine room side appearance rinse with water cannons; next engine external cleaning agent evenly sprayed around the engine and engine compartment.

Cool for about three minutes, with a fiber brush to clean all the parts that can reach the engine room, and rinse with water cannons quickly brushing off the dirt. Then external engine cleaner sprayed on engine surfaces (steps ibid.). Until the engine looks clean. Finally, rinse the engine with a wet towel and dry machine with hands REACH dry.

In addition, proper selection of some gasoline additives products can also reduce carbon deposition engine oil produced, when cleaning, avoid the time-consuming, in a timely manner use the Autel MaxiSys MS908 and Autel Maxidiag Elite MD701 auto tools, to improve the performance of the car there is a certain Help.
Source: http://www.focalobd.com/blog/how-to-clean-the-car-engine-to-improve-performance/

How to maintain the vehicle fuel system

The fuel system is an important source to provide power for the car to run, a lot of cars with the failures are due to the fuel system is not working smooth, so how to maintain good vehicle maintenance in the fuel system is also an important part of, and in accordance with OBD diagnostic tool test results to distinguish fuel system maintenance methods will be slightly different. According to different engine fuel, the fuel system can be divided into gasoline and diesel vehicles, they should pay attention to what in the maintenance of the process?

Gasoline vehicle maintenance
Data show that: the 50% gasoline engine failure is caused by the fuel system, and the faults of fuel system and about 50% are caused by unclean because of fuel, therefore, How to remove the fuel oil in the water is an important part of the maintenance of diesel vehicles.

Gasoline will have some water, these are some of the extraction of water produced during some are generated due to external factors. At normal temperatures, the fuel may dissolve some moisture on their own, but in the winter the temperature decreases, the water solubility of the corresponding smaller, the excess amount of water will be dissolved together. The proportion of water is more than oil, it will slowly separated out, stay in the oil or filter the bend, causing the oil supply is not continuous. When the temperature is below the freezing point of water, the water will freeze coagulation, causing oil is not continuous.

In addition, gasoline, water will corrode and destroy the fuel supply system components. Therefore, we must timely use of Launch X-431 PAD and Launch X431 IV GX4 Master tool to effectively remove the fuel oil in the water, you can help the effectiveness of some detergents.

Diesel car maintenance
Diesel, for example, diesel fuel contains paraffin, which was dissolved at normal temperatures in diesel, and serves as lubricating oil and diesel fuel pump nozzle tip. In the winter, large temperature difference between morning and evening, and sometimes sudden cooling, paraffin will crystallization, thus crystals of various units together and form a "paraffin crystallization network" This network extends to all of the liquid, the complete control of diesel, resulting in Diesel loss of mobility, clogged filters, affecting the normal oil supply.

Once this phenomenon, the old traditional way is to spray the tank with water, you can make diesel fuel temperature, paraffin reintegration into diesel, but this method is not only time consuming, but can not completely dissolve paraffin diesel fuel, particularly paraffin oil pump and filter is inside. In this case, some people will be blended with gasoline or ethanol in diesel, used this method to solve the problem. But the engine oil system will cause a lot of negative effects. Such as excessive wear on the pump nozzle and fuel system components for corrosion.

The correct approach is actually very simple, as long as you join in gasoline or diesel fuel alcohol into a dedicated high-tech formula additives can, using Autel MaxiSys Pro MS908P and Autel MaxiSys Mini MS905 tools to detect. Meanwhile, in order to better conserve your car, maintenance of good fuel system, a method of maintenance of the regular cleaning is also very important.
Source: http://www.focalobd.com/blog/how-to-maintain-the-vehicle-fuel-system/

Audi automobile safety airbag use guide

FAW Volkswagen production Audi A6 sedan, airbags as standard. For the repair of the system failure, not only need OBD diagnostic tools, but also need to grasp the system composition, working principle and correct detection method.

Detection method and the matters needing attention in the process of maintenance Airbag system installed on the Audi A6 sedan with a self-test function; every time the car will perform a self-test of the system; once the system detects a fault, the red light on the instrument AIR BAG will be president of the light. If the light is not on when you turn on the ignition switch, or in motion lights flashing, were indicative of a system failure, then the system needs to speak the line fault detection. Fault diagnosis of the system can only use special diagnostic VAG1551, VA G1552, V AS5051 or other Autel Diagnostic Tool and Launch Diagnostic Tool diagnosis.

Further, the system and other electronic control Audi vehicle systems, by using a dedicated diagnostic equipment, can be queried, part number and fault diagnosis system software version of its system, the implementation of the final element, clear fault code, and to read the data block The control unit encoding functions, the system address code is 15.

In the maintenance of the system needs attention to some of the following items.
1) prohibits the trigger line for testing, namely the driver and passenger side airbags, front and rear seat side airbags, and seatbelt tensioners trigger directly measure its resistance.

2) removable front driver and passenger side airbags, you must turn off the ignition, remove the negative battery cable. Driver's side airbag folded down, should be properly placed, prohibiting anti-put throw with touch.

3) airbag control unit must be replaced in the following cases: the driver or passenger side airbag is triggered after the first; front seat belt tensioner or side airbag is triggered three times; electrical lines under normal circumstances, Launch X-431 PAD and Launch X431 IV GX4 Master diagnostic system can not enter or fault code is displayed as 65535. In addition, the replacement of the control unit should be encoded.

No matter what the car is on the airbag, just as a safety auxiliary devices exist, can not use it as personal safety is guaranteed. Therefore, in daily driving, we should pay more attention to driving safety, be sure to use a seat belt device, or car diagnostic tools add a layer of security protection key.
Source: http://www.focalobd.com/blog/audi-automobile-safety-airbag-use-guide/

4 Defects of Waxing and the Connection with the Car Damaged "Skin"

Waxing, as for one of the traditional programs of the car beauty, is the choice of the car owner before choosing a car tool online store for diagnosing their cars. But many may ask whether it has been well protected with often waxed. Then let’s look at the damage brought by improper waxing and we hope it will attract your attention.
1. Amounts of wax, easy to wear the paint!
The Shortage of Auto Paint Maintaining Methods:
1.1 Easy oxidation
Professional automotive beauty points out that waxing and closure glaze, as two traditional paint curing methods, they are sure to protect your car paint at a period time. It takes the oil as solvent, which is much easier to produce oxidation and form the “resonance” with the car paint. In general, after half a month the car waxing starts to become oxidation and complete oxidation a month later. As to the closure glaze, it starts to produce oxidation after two months and complete oxidation six months later. When the car wax and the closure glaze has been on oxidation, it can not protect your car for a long time.

1.2 Easy to wear paint
Abrasive particles are usually contained in the wax, and the bright car paint is grinded by the particle that can not be seen by our naked eyes. And if the method for waxing is polished with circle, there will be small lines on the cars that are often waxed.

1.3 Not resistant to high temperature
With the dual influence of the sunlight and the engine, the surface temperature of the paint is very high. And in winter, the engine cover surface temperature can even reached close to the "boiling point", and even in Winter it can also reach up to above 30 degree, under which the car waxing is more easy to melt away and the melted wax will adhere more dirt, thus further damage the paint. Moreover, the car glaze will accelerate oxidation under a high temperature.

1.4 Not resistant to clean
Because the wax can be soluble in the water, if your car hit the wet weather after the waxing, it will be solute by the rain, and will not protect your paint and play the role of beauty. An because of the same reason, it will also cause much inconvenience for washing your car after waxing. On the other hand, though the car glaze will not soluble in water, it will penetrate into the body and will also not protect your car as the wax.

2. Correct Wax Method and Time Stipulation

To keep a clean and tidy car appearance, it is necessary to wax for your car. While some drivers have a one-sided understanding of it, they may wax their car frequently or never wax. And some may think that the more expensive the wax is, the better it will protect their car, thus they tend to choose those imports wax. Well, all are inappropriate in fact. If you are still not sure, we sincerely suggest you to visit an Online Store for Auto Diagnosis and choose some of the products to check your car completely, such as the Launch X-431 PAD Auto Diagnostic Scanner and the Autel MaxiSys MS908 Automotive Diagnostic. Only have a better knowledge of your car, can you protect your car well either with the waxing or other car beauty projects.
Source: http://www.focalobd.com/blog/4-defects-of-waxing-and-the-connection-with-the-car-damaged-Skin/

Four ways for maintaining automobile safe airbag

Airbags, as the name suggests is to protect drivers and passengers safe, safe driving, the airbag will not play a role, especially in the frontal crash once an emergency occurs, it will play a role to ensure the safety of your life. Therefore, understanding and careful maintenance of the car's airbags is one thing you can not be ignored.

First, the airbag is a disposable product. After the collision detonated, the airbag will no longer have the ability to protect, and to be sent back to repair factory to replace a new airbag. Due to the different models, the price is not the same as the airbag. Re-installation of a new airbag system includes sensors and computer controller, generally need about 5,000 yuan to 10,000 yuan.

Second, do not balloon in front of, above or near the place items. Because the balloon will explode in an emergency situation, so do not balloon in front of, above or near the place items to prevent detonation was hurt when the airbag occupant ejections out. In addition, the installation CD, radio and other accessories in the room, to comply with the manufacturer's requirements, not free to modify parts and lines fall within the scope of the airbag system, so as not to affect the normal operation of the airbag

Third, children have to pay attention when using airbags. At present, many airbags are designed for adults, including the airbag in the car's location, height. Balloon inflated, it may cause harm to the child in the front row. Suggested that children placed in the rear center position and secure.

Fourth, pay attention to the daily maintenance of the airbag. Mounted on the dashboard of the vehicle when the airbag indicator light, under normal circumstances, the ignition switch to the ACC position or the ON position, the warning light will shine about forty-five seconds to self-check, then turns off. If the warning light stays on, it means that the airbag system failure, you should immediately repair the airbag malfunction or misuse of the situation in order to avoid the emergence of pop.

Some OBD diagnostic tools will help you test out your vehicle on your own, for example: Launch X431 GDS, Launch X431 Diagun III, Launch X-431 PAD, Autel MaxiSys MS908 and so on.
Source: http://www.focalobd.com/blog/four-ways-for-maintaining-automobile-safe-airbag/

How to prevent and timely maintenance of automobile oil spills

In the use of the car, often leak failure occurs, it will directly affect the technical performance of the car, leading to oil, fuel waste, power consumption, the impact of the car clean and tidy, causing environmental pollution. Because oil spills, reduce internal engine oil, resulting in poor mechanical lubrication, insufficient cooling, can cause mechanical damage early, even leaving accidents.

First, The common main reason for the vehicle oil spill

1, the product (accessories) quality, material or workmanship is poor; structural design problems.

2, improper assembly of high speed, with the dirty surface, liner damage, displacement or failure to standardize procedures for installation.

3, tighten the nut force uneven, slippery silk buckle or break off as a result of work Songkuang failure.

4, after long-term use of the sealing material wear off limits, aging metamorphism, deformation failure.

5, lubricants add too much oil too high or mistake of oil.

6, parts (side cover type, thin-walled parts) engagement surface deflection, the housing is damaged, so that oil leakage.

7, vent plug, after the check valve plug, due to the pressure difference inside and outside the enclosure role, often lead to seal leakage weaknesses.

Second, Oil spill prevention measures of vehicle

1, emphasis on cushioning effect. Automotive standing parts (such as the end face of each engagement, each cover, shell, cover mats, flat enamel cover, etc.) gasket leak-proof seal between components plays a role. If the materials, production quality and installation does not meet the technical specifications, leak-proof seal would not achieve the role, and even accidents. Such as the oil pan or valve cover, due to the large contact area and difficult to compaction, the resulting oil spill. Note that when handling properly placed, carefully check the press specification assembly.

2, various types of fastening nut torque the car are tightening regulations required. Too loose, not tight pressure pads would leak; they will screw around tight metal bumps or threaded twist slip caused oil spills. In addition, the oil pan drain plug back if not tighten or loosen off, likely to cause oil loss, and subsequent "bush-burning axle" of engine damage accident.

3, the timely replacement of seal failure. Many parts of the car moving home (such as oil seals, O-rings) due to improper installation, journal and seal edge misalignment, yaw and dumped oil. Some seals used for a long time due to rubber aging and loss of elasticity of the canal. Found leakage should be updated.

4, auto parts used for a long time will produce excessive wear limit (eg, such as piston and cylinder), resulting in the combustion chamber of high pressure gas into the crankcase, and forcing the oil leakage. Therefore, when added to the oil filler cap emissions at channeling serious, should try to repair or replace worn parts.

5, to avoid a one-way valve, vent valve blocked. The resulting temperature rise within the housing, oil filled the entire space, not the canal discharge, increased pressure within the housing so that oil consumption growth and replacement cycles. After the engine ventilation system is blocked, increasing the resistance movement of the piston, so that the fuel consumption increases. Due to the pressure difference inside and outside the enclosure role, often lead to seal leakage weaknesses. Hence the need for regular inspection of the vehicle, and clear, clean.

6, various types of pipe joints sealed properly addressed. Car union nut often removable, easy to slip off the buckle and loose wires; two joint bell poor accuracy, the two do not coincide with the center line of the cone and the bad; not coincide different taper, which will cause oil leakage . Replace the union nut with grinding solve its cone seal, compression nut and resolve seal.

7, to avoid rejection oil hub. Wheel bearings and grease cavity excessive or improper seal assembly, poor quality and aging failure; wheel brake frequently caused by high temperatures; axle nut loose, and this will lead to rejection of the oil hub. So useful "cavity lubrication" vent clear, strict selection of high-quality accessories, according to the high-speed assembly and process specifications.

Third, the maintenance and overhaul of the main points of the vehicle

In extremely clean conditions for assembly, parts work surface no bump, no scratches, burrs and other fixtures; strict rules, seals should be properly installed, do not be put in place to prevent deformation; grasp performance specifications and requirements of the seal timely replacement of failed parts; side cover classes for thin-walled parts, the use of sheet metal cold do correction; easy to wear shaft hole type parts can be metallized, repair welding, gluing, machining and other processes in order to achieve the original size; try using a sealant, if necessary, can paint to achieve the desired sealing effect of alternative; slide wire nut off button, release should be repaired or replaced with new parts, and tighten to the specified torque; should be carefully examined before the appearance of quality rubber seal assembly; use press with specialized tools, to avoid distortion beat; filling grease required regular cleaning to clear the vent and check valves. Just do the above, the vehicle is completely leak problems cure.

Some car diagnostic tools will help you test out your vehicle on your own, for example: Launch X-431 PAD, Launch X431 Diagun III, Autel MaxiDas DS708, Autel MaxiScan VAG405 and so on.
Source: http://www.focalobd.com/blog/how-to-prevent-and-timely-maintenance-of-automobile-oil-spills/

Automobile driving at night how to correctly use the lights

Predict the primary road lights
To be able to increase road capacity, the town has generated many of the primary streets from the road. In visiting the primary streets in to the evening, while exports to look at if the lights and also at the entrances. Since the transport sector designed inlet and outlet direction using the almighty, there's a particular streets direction position, normal automobiles can’t direct the sunshine only into and from the primary, side streets can direct light automobiles found in other automobiles.

No fence reduce speed
Many mixed lane no center guardrail, the situation for that vehicle while browsing line once the side lane unimpeded, are available around the vehicle lights are uniform and regular. At this time, carry the type of people on the streets crossing the street, the motive force is frequently because of the sunlight from the vehicle blind spots. Motorists should give consideration to decelerate with the instructions prior to the vehicle was moving with the front from the vehicle once the lights change.

Shadow flicker watch out for people on the streets
If there's a shadow flashing lights, showing that there's a pedestrian before their vehicle or cyclist, and also the distance between your intersections continues to be close. To avoid sudden deceleration people on the streets must advance, don't leave items to chance to be able to avoid accidents.

Fluctuations uneven pavement lights
Additionally, with the oncoming vehicle lights to look for the road ahead fluctuations flatness, you may also make use of the vehicle tail lights observed prior to the discovery from the vehicle car headlights reflecting if the defect.

Effective utilization of the lights of other automobiles driving at night, you are able to enhance the driver's capability to judge, to prevent traffic accidents.

Front lights on first in alley
Toward the spacious urban streets, in addition to a narrow alley and mix the intersection, automobiles or people on the streets frequently all of a sudden come out of the alley, when the driver doesn't take measures to identify danger prone. When we can watch within the mouth drawn from the vehicle lighting can avoid accidents.

In the event that there's direct light from the alley, showing the automobiles drawn out of the mouth sized based on the brightness of lights and lighting can determine the peak of the vehicle: vibrant lights, everywhere for that vehicle, the lights dim, and our prime position of huge cars. Then your driver should decelerate, whistle, used interchangeably far and near lighting help remind one another.

Some auto diagnostic tools will help you test out your vehicle on your own, for example: Launch X-431 PADII, Launch X-431 PAD, Launch X431 Pro3, Autel MaxiSys MS908 and so on.
Source: http://www.focalobd.com/blog/automobile-driving-at-night-how-to-correctly-use-the-lights/