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How to Solve the EPC Fault in a Car?

1 Answers

ZoeFitz

07/30/25 7:55am

Solutions for car EPC fault: 1. Troubleshoot the intake system, use up-to-standard fuel, and clean the throttle body; 2. Remove carbon deposits from relevant parts; 3. Rewrite ECU-related data. EPC stands for Electronic Power Control, commonly found in Volkswagen series models. The illumination of the EPC light indicates a potential fault in the electronic throttle system, which may affect the normal operation of the vehicle. Reasons for the EPC light on the dashboard: 1. Intake system faults, such as leaks or blockages; 2. Dirty throttle body with excessive carbon deposits; 3. Use of substandard fuel; 4. Abnormal cylinder pressure, poor working condition; 5. Valve faults, sticking or carbon deposits, etc.; 6. ECU fault; 7. Sporadic faults, false alarms.

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