What is the fault when the EPC light is on in the Passat and it won't start?

[SanElena]

The throttle needs to be cleaned. More information about the EPC light being on in the Passat is as follows: 1. Insufficient power: Insufficient battery power can also cause the EPC fault light to come on. It is usually recommended to go to a 4S shop for inspection and maintenance, but sometimes you can choose to handle it yourself. A quicker solution when the battery is low is to charge the car with another vehicle, while the fundamental solution is to replace the battery. The problem can be determined by eliminating possibilities one by one. Remember not to perform maintenance blindly. 2. Gasoline quality: If the car uses poor-quality gasoline, it will affect the normal start of the engine. You should choose high-quality gasoline when refueling to ensure the normal operation of the car.