The Epc light is on, but it won't catch fire.

Whether the Audi epc light is on or off is a matter of electronic accelerator or accelerator pedal.

Fault light is always on: EPC fault light of engine management system is always on.

System or electronic control failures are often accompanied by unstable idle speed of vehicles or engine cold start jitter. Generally, it is caused by dirty environment in the car. Drive to the maintenance service station as soon as possible to clean the throttle. On during inspection: When the ignition switch is turned on for functional inspection, the indicator EPC will light up. When driving, this indicator lights up, indicating that the engine power electronic control system is faulty. The engine must be checked immediately. Dirty throttle body, vacuum leakage of intake system, broken brake switch and failure to upgrade the engine in time may all lead to EPC failure.