What happened to Audi a6epc lamp?

The epc light of Audi a6l of Pacific Auto Network is on. Generally, the throttle valve is too dirty and needs to be cleaned. It is also possible that the brake light is not on, so it is necessary to check the brake switch and wiring.

EPC is the full name of engine electronic stability system, and many people also call it electronic throttle. The system consists of some sensors, controllers and other components. When the sensor fails or senses an abnormal situation, the control system will take corresponding measures according to the set program.

The EPC fault light is always on, indicating that the engine management system or electronic control is out of order, which is often accompanied by unstable idle speed of the vehicle or engine jitter during cold start. However, for domestic car owners, it is generally due to the quality of domestic oil products and the dirty environment in the car, so they should drive to the maintenance service station as soon as possible for maintenance. When the ignition switch is turned on for function check, the indicator EPC will light up.

If this indicator lights up while driving, the engine must be checked immediately. Usually, when the EPC light of an automobile is on, there are the following situations: the air intake system is faulty, such as leakage or poor blockage; Throttle body dirty, too much carbon deposit, etc. ; Fuel selection is not up to standard; Abnormal cylinder pressure and poor working conditions; Occasionally failure, a false alarm; Valve failure, stuck or carbon deposit, etc. ECU failure. (Photo/Text/Photo: Pacific Auto Network Chen Jie 2)