How to resolve the Audi EPC light issue?

1 Answers
SanBethany
07/30/25 1:58am
Audi EPC light illumination faults and solutions: 1. Fault issues: Intake system faults, such as leaks or blockages; Dirty throttle body, excessive carbon buildup; Use of substandard fuel; Abnormal cylinder pressure, poor operating conditions; Occasional false alarms; Valve faults, sticking or carbon buildup; ECU faults. 2. Solutions: Troubleshoot intake system faults, use compliant fuel, clean the throttle body; Remove carbon deposits from relevant areas, perform cleaning; Rewrite ECU-related data (this is applicable when other faults have been resolved but the issue persists). Other fault possibilities cannot be ruled out, and specific repairs should be based on actual vehicle inspection results. 3. Other scenarios of EPC light illumination: During vehicle self-inspection, the EPC light will illuminate for a few seconds and then turn off. If a fault occurs, this light will stay on. Insufficient battery power can also trigger the EPC fault light. It is generally recommended to visit a 4S store for inspection and maintenance.
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