What does the EPC light on the dashboard of a Volkswagen Polo mean?

[StZoey]

EPC (Electronic Power Control) stands for Engine Electronic Power Control System. When a sensor malfunctions or detects abnormal conditions, the control system will take corresponding measures according to the preset program. The reasons for the EPC light appearing on the car are: The throttle is dirty and needs cleaning. The brake light is not working, so the brake switch and wiring should be checked. There is a problem with the fuel quality. Engine stalling due to improper operation. Intake system failure, such as leaks or blockages. When the EPC light comes on, it is important to go to a 4S shop or a professional auto repair shop as soon as possible to have a technician read the fault code with a computer and determine the problem for targeted repair. Below is a detailed introduction to other situations that may cause the EPC light to come on: Engine intake system failure: The EPC light will come on when the engine intake is not smooth or the intake volume is insufficient. Throttle failure: Carbon buildup is a common issue with the throttle, and dirt on the throttle body can also affect intake, causing the light to come on. Fuel system failure: For example, substandard fuel, deteriorated fuel, or poor fuel atomization. Engine failure: Insufficient engine pressure or problems with the power system such as the intake valve can also trigger the EPC light. ECU control unit failure: For example, interference with the vehicle computer signal or false alarms from the vehicle computer. Brake light failure: If the brake light is not working, the brake switch is faulty, or the brake wiring is faulty. Solutions for when the car's EPC light comes on: Troubleshoot the intake system, use fuel with the appropriate octane rating, clean the throttle, etc. Remove carbon deposits from related parts. Rewrite the relevant ECU data. If the EPC light comes on, the owner can first try turning off the engine and restarting it to see if the EPC light remains on. If it does not come on again, there may be no problem, and it could be due to the EPC light being affected. If the EPC light remains on or comes on frequently, the car should be driven to the nearest repair point for professional help to diagnose and fix the issue, eliminating potential safety hazards in time. The full English name of EPC is Electronic-Power-Control, which translates to electronic power control. Most people refer to it as the engine electronic stability system. The EPC system mainly includes controllers and sensors related to the power system. When the sensor data in the system is abnormal, the EPC system will take measures for the power system according to the preset program. Common EPC indicator lights are generally two colors: yellow and red. If the EPC fault light is yellow and the car can still drive normally, proceed slowly to a repair point for inspection. If the EPC fault light is red, it indicates a more serious situation, and the car should be pulled over immediately to contact relevant repair personnel for maintenance. Forcing the car to drive could directly affect the core components of the car or driving safety.