What Causes the Engine EPC Warning Light to Illuminate?

1 Answers
MaliaDella
07/30/25 2:30am
When the EPC (Electronic Power Control) light appears on the car dashboard, it indicates an issue with the electronic throttle system. If the light turns on and then off automatically, it is considered normal. However, if the light remains illuminated after starting the vehicle, it suggests a mechanical or electronic system malfunction. Below is relevant information about the EPC system: 1. Introduction to EPC: EPC stands for Engine Electronic Stability System, commonly known as the electronic throttle system. 2. Components of the EPC System: It mainly consists of the engine control unit, engine wiring harness, throttle body, accelerator pedal, brake switch, and clutch switch (for manual transmissions). If any of these components develop an issue, the engine control unit will detect the problem and trigger the EPC light to illuminate.
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