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What causes the EPC warning light to illuminate in JAC vehicles?

1 Answers

GavinMarie

07/24/25 6:15pm

Throttle body contamination or malfunctioning brake lights require inspection of the brake switch and wiring. Additionally, fuel quality issues can also trigger the EPC warning light. Below is relevant information about EPC light illumination: Cause explanation: A constantly illuminated EPC warning light indicates faults in the engine management system or electronic control, often accompanied by unstable idle speed or cold start engine vibrations. For most domestic vehicle owners in China, this is typically caused by substandard fuel quality and dirty operating environments. It's recommended to drive to a service station for inspection promptly - in most cases, throttle body cleaning can resolve the issue. Important notes: If no abnormal symptoms occur when the EPC light is on, the vehicle may continue to be driven, but timely maintenance inspection is still necessary.

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