Piston spring of oil supply pump breaks
The engine flamed out during operation and could not be started.After unscrewing the air release screw, it is found that the low pressure oil chamber of the fuel injection pump has no or very little fuel. Pump oil with the hand pump until the whole low pressure oil chamber is filled with oil, exhaust the air, restart the engine, and the engine returns to normal. However, after driving for a certain distance, the engine automatically shuts off again.This kind of failure phenomenon is likely to be the piston spring of the oil supply pump broken.This fault can be removed on the car, screw off, replace the spring can be.