What is the fault when the EPC light comes on in a diesel vehicle?
1 Answers
Here are the manifestations and solutions when the EPC light comes on in a diesel vehicle: 1. Manifestations: Intake system failure, such as leaks or blockages; Dirty throttle body, excessive carbon deposits; Substandard fuel selection; Abnormal cylinder pressure, poor working condition; Occasional faults, false alarms; Valve failure, sticking or carbon deposits; ECU failure. 2. Solutions: Troubleshoot intake system faults, use qualified fuel, clean the throttle body; Remove carbon deposits from relevant parts and clean them; Rewrite ECU-related data; The possibility of other faults cannot be ruled out. Specific repairs should be based on actual vehicle inspection results.