What is the fault when the EPC light is on and the car cannot start?
1 Answers
EPC light on and failure to start indicates a malfunction in the vehicle's mechanical and electronic systems. The specific reasons are as follows: 1. Reason one: Excessive carbon buildup in the throttle body, causing issues with its opening angle. 2. Reason two: Engine misfire or cylinder failure, leading to abnormal throttle operation. 3. Reason three: Air leakage behind the throttle body, resulting in abnormal data detected by the intake pressure sensor. Relevant information about EPC is as follows: 1. EPC: Stands for Electronic Power Control, commonly known as the electronic throttle system. 2. Components: The system mainly consists of the engine control unit, engine wiring harness, throttle body, accelerator pedal, brake switch, and clutch switch for manual transmission.