Aging of the battery; generator failure.
Battery aging: After a certain period of use, the Audi A4 battery may age, resulting in insufficient battery power and low idle voltage. The solution is to replace the battery. It is recommended to choose a high-quality battery and pay attention to charging it in time.
Audi A4 Alternator Failure: The alternator is an important part of the car's circuit and is responsible for charging the battery and maintaining voltage stability. If the generator fails, for example due to worn carbon brushes, loose bearings, etc., this can result in low idle voltage. The solution is to check and repair the generator failure, which may require replacing components such as carbon brushes or bearings.
Will a fault code appear whenAudi A4L battery location?
Hello friends\x0d\It is possible that the generator is not generating electricity. The following points are:\x0d\1, generator stator There is a fault\x0d\2, and there is also a problem with the rotor. \x0d\3. There is also a problem with the regulator. \x0d\4. There is a problem with the line. \x0d\5. The battery will lose power. If the light is dark and the indicator light is on,
Audi A4Lan error code will appear. when replacing the battery. If the battery is discharged, many computers will record a low battery fault. For these faults, as long as the battery is normal and the error code is cleared, there will be no problem.
Precautions when replacing the battery
You should choose genuine products from major brands. Car enthusiasts should not be greedy for cheap andchoose inferior batteries. The battery is the last element of the car. A very important element. When the engine is not started, the battery powers all of the vehicle's electronic equipment. After starting the engine, the generator powers all of the vehicle's electronic equipment. and the battery is also responsible for starting the engine.
The battery is a wearing part. Generally, the battery can be used for 3-4 years. When the engine is not started, do not stay in the car for a long time or use electronic devices. the car. This will reduce battery life. When using a car in winter, try not to park the car outside at night. The outdoor temperature is low in winter, and parking the car outdoors for a long time will shorten the life of the car. battery.