How to Solve When the EPC Warning Light Comes On?

1 Answers
McBenjamin
07/30/25 4:32am
Solutions when the EPC warning light comes on: 1. Address and resolve intake system faults, use compliant fuel, and clean the throttle body; 2. Remove carbon deposits from related components; 3. Rewrite ECU-related data. EPC stands for Electronic Power Control, and the illumination of the warning light indicates a potential fault within the electronic throttle system, which may affect the vehicle's normal operation. Reasons for the EPC warning light coming on: 1. Intake system faults, such as leaks or blockages; 2. Dirty throttle body with excessive carbon deposits; 3. Use of non-compliant fuel; 4. Abnormal cylinder pressure or poor operating conditions; 5. Valve faults, sticking, or carbon buildup; 6. ECU faults; 7. Sporadic faults or false alarms.
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