What are the issues when the EPC light is on in a truck?

1 Answers
AdrielAnn
07/29/25 10:36pm
Truck EPC indicator light staying on indicates a fault in the engine or electronic systems. Here are the detailed explanations: 1. Intake system failure: There may be leaks or blockages in the intake system. 2. Dirty throttle body: The throttle body is dirty or has excessive carbon buildup, requiring cleaning of the relevant parts. 3. ECU malfunction: Reprogramming the ECU data, this method is used when other faults have been resolved but the issue persists. 4. Engine management system failure: This condition is often accompanied by unstable idling and engine shaking during cold starts. It is mostly caused by poor fuel quality and dirty driving environments in the country. In such cases, the vehicle should be immediately taken to a repair shop for inspection and servicing.
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