1. First check whether the push rod that drives the diaphragm in the spring shock absorber mechanism is damaged. Use your fingers to lightly block the oil spring shock absorber oil inlet, and try to start the engine. If you feel suction at this time, you can prove the push rod Intact.
2. The fingertips have no sense of absorption, indicating that the push rod has been damaged, and the fuel injection spring shock absorber should be replaced as a whole. When the electric fuel injection spring shock absorber is working, if there is a strong oil sound of the spring shock absorber, it means that the spring shock absorber is in good condition. If there is no oil sound of the spring shock absorber, it means that the oil supply spring shock absorber is malfunctioning.