How to solve the problem of Audi epc lamp?

Troubleshooting of Audi EPC lamp: 1. Troubleshooting: air intake system failure, such as leakage or poor blockage; Dirty throttle, too much carbon deposit, etc. ; Fuel selection is not up to standard; Abnormal cylinder pressure and poor working conditions; Accidental fault false alarm; Valve failure, stuck or carbon deposit, etc. ; ECU failure. 2. Solution: Troubleshooting the air intake system, the fuel meets the standard, and cleaning the throttle body; Remove carbon deposits from related parts and clean them; Rewrite ECU related data (it cannot be eliminated after solving other faults). It is not excluded that other faults may be caused by the test results of real vehicles. 3. Other phenomena of EPC light: When the vehicle starts self-inspection, the EPC light will turn on for a few seconds and then go out. If something goes wrong, this light will come on. If the battery is low, EPC failure will occur. It is generally recommended to go to the 4s shop for inspection and maintenance.