Jianghuai automobile hitched when it refueled fiercely.

This is caused by the shooting of the intake pipe caused by the lean mixture, which is generally caused by these reasons.

First, whether the oil circuit pressure is too low, whether the one-way valve of the gasoline pump is damaged to cause pressure relief, and whether the injector is leaking.

The second is whether the ignition performance of the spark plug is insufficient, whether the carbon deposition is serious, and whether the ignition coil leaks electricity.

Third, check whether the vacuum tube of the intake pipe leaks, resulting in less actual intake air.

Fourthly, there are faults in the engine electronic control system, such as the air flow meter, water temperature sensor and throttle position sensor.

These conditions will lead to the phenomenon of flapping in the intake pipe. It is recommended that the maintenance personnel check it for you and carry out maintenance according to the situation. I hope it can help you with your car problem, and ask the car master. 4S shop professional technician, 10 minutes to solve.