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What does the EPC letter on the vehicle dashboard mean?

1 Answers

DiCarter

07/29/25 5:59pm

Possible reasons for the EPC light to turn on: The car's throttle is dirty and should be cleaned. Brake system malfunction, in which case the brake light also does not turn on. Fuel quality issues, which may cause the EPC warning light to illuminate. EPC (Electronic Power Control) stands for Engine Electronic Power Control System. When a sensor malfunctions or detects an abnormal condition, the control system will take corresponding measures according to the preset program. Reasons for the EPC light to turn on include: Engine intake system malfunction, throttle malfunction, fuel system malfunction, Engine failure, ECU control unit malfunction, brake light malfunction. Solutions for the EPC light turning on: Troubleshoot the intake system, use fuel that meets standards, clean the throttle body, etc. Remove carbon deposits from relevant parts and clean them. Rewriting related data (this is done when other faults cannot be resolved). Other faults cannot be ruled out. Specific inspection results should be based on actual vehicle detection before proceeding with repairs. If the EPC light turns on, follow these steps: Turn off the vehicle and restart it. Check the EPC light; if it doesn't turn on, there is no problem. Occasionally, the EPC light may also illuminate due to external interference. If the EPC light frequently turns on within a certain period, first check whether the brake light is on. If the brake light is not on, check the brake switch, bulb, and wiring (sometimes the brake light may not turn on due to a faulty bulb, and replacing the bulb may solve the issue). If the EPC light continues to turn on after checking the brake light, take the vehicle to a 4S shop for inspection. Common EPC indicator lights usually display two colors: yellow and red. If the EPC warning light is yellow and the vehicle can still operate normally, drive slowly to a repair point for inspection. If the EPC warning light is red, the situation is more serious. Stop the vehicle immediately and contact relevant repair personnel for maintenance. Forcing the vehicle to continue driving may directly affect the vehicle's core components or driving safety.

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