What causes the EPC warning light to come on in a car?
1 Answers
The reasons for the EPC warning light illumination are as follows: 1. Intake system malfunction, such as leaks or blockages. 2. Dirty throttle body with excessive carbon buildup. 3. Use of substandard fuel. 4. Abnormal cylinder pressure. 5. Occasional faults or false alarms. 6. Valve malfunction, sticking or carbon deposits. 7. ECU failure. Here are the solutions: 1. Troubleshoot intake system issues, use qualified fuel, clean the throttle body, remove carbon deposits from relevant parts, and perform thorough cleaning. 2. If the issue persists after addressing other faults, it may be necessary to reprogram the ECU with relevant data.