What happened to the epc light on the Volkswagen dashboard?

Air intake system failure, dirty throttle body, excessive carbon deposit, substandard fuel selection, abnormal cylinder pressure, poor working conditions, occasional failure, false alarm, valve failure, stuck or carbon deposit, ECU failure.

1, air intake system failure: such as leakage or poor blockage.

2. The throttle body is dirty and has too much carbon deposit: the throttle body needs to be cleaned or replaced.

3. Is the fuel selection not up to standard? : The standard fuel needs to be replaced.

4. Abnormal cylinder pressure and poor working conditions: it is necessary to check whether the cylinder head gasket leaks and replace it if necessary.

5, accidental failure, false alarm: you can try to shut down the engine and restart it.

6. Valve failure, sticking or carbon deposition: carbon deposition of related parts needs to be removed, and the valve needs to be repaired or replaced.

7.ECU failure: you need to go to the 4S shop to rewrite the relevant data of ECU.