What causes a Volkswagen to display EPC and fail to start?
1 Answers
Below are the specific reasons and solutions for a Volkswagen displaying EPC and failing to start: 1. Intake system malfunction: Such as leaks or blockages. Troubleshoot the intake system, use qualified fuel, clean the throttle body, etc. 2. Dirty throttle body: Or excessive carbon buildup, remove carbon deposits from relevant parts, clean, etc. 3. ECU malfunction: Rewrite the ECU-related data. This method is used when other faults cannot be resolved. 4. Engine management system malfunction: This condition is often accompanied by unstable idle speed and engine cold start shaking. It is mostly caused by poor fuel quality and dirty driving environment in China. In such cases, the vehicle should be immediately taken to a repair shop for inspection and repair.