1. When the EPC light is always on, it means that the engine management system or electronic control is out of order, and the vehicle is often accompanied by engine jitter when idling or cold starting. Domestic cars are all caused by domestic oil quality and dirty environment. Please drive to the service station for maintenance as soon as possible, and clean the throttle to solve the situation.
2. When the ignition switch is turned on for function check, the EPC indicator light is lit. If this indicator lights up during driving, it means that the electronic control system of engine power is out of order. The engine must be checked immediately. Dirty throttle body, vacuum leakage of intake system, damaged brake switch and untimely engine upgrade may all lead to EPC failure.
3. when 3. EPC light is on, maybe the throttle is dirty and needs cleaning; Or stop the light, change the light bulb or check the brake switch and wiring. Because of the oil problem, the EPC fault light will also light up.
I hope I can help you through this article, and the article ends here.