What's wrong with Audi a3epc lamp?

Pacific Auto Network 1, air leakage in engine air intake system. 2. The throttle is too dirty and stuck, and the engine computer receives the position signal of the throttle sensor incorrectly. In this case, the throttle can be cleaned. 3. There is something wrong with the accelerator pedal. 4. There is a problem inside the throttle. It is suggested to read the fault code with a tester at the maintenance station, and then carry out maintenance according to the fault point.

The automobile instrument shows "EPC", indicating that there is something wrong with the engine power control management system. Generally speaking, EPC lights have two possibilities.

First, the throttle is dirty and needs cleaning. In another case, the brake light is not on, so it is necessary to check the brake switch and wiring. Also, due to the oil problem, the EPC fault light will also light up.

The main reasons for the EPC fault light to light up are:

1, 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. But for domestic car owners, it is generally caused by domestic oil quality and dirty environment in the car. Drive to the maintenance service station as soon as possible for maintenance, and generally clean the throttle.

2. When the ignition switch is turned on for function check, the indicator EPC will light up. If the indicator lights up while driving, it indicates that the engine power electronic control system is out of order. The engine must be checked immediately. Under normal circumstances, dirty throttle body, vacuum leakage of intake system, broken brake switch and untimely engine upgrade may all lead to EPC failure.