Hafeijun didn't realize that the voltage and pressure of the door of the vehicle-mounted display economizer were high.

The sliding rheostat of the throttle position sensor is not working properly. Generally caused by operations such as cleaning the throttle. The throttle signal is not accurate. It is recommended to replace the sensor.

Logically, it is like this: the voltage is low, the ECU judges that the opening is small, and the fuel injection quantity is low; When the voltage is high, ECU judges that the opening is large and the fuel injection quantity is large. So if the car doesn't stop, it may be that the fuel injection is too large. Fill the water tank.