Diagnosis of Abnormal Phenomenon before Diesel Engine Extinguishes Automatically

The automatic flameout of a diesel engine mainly means that the engine speed suddenly drops under normal operating conditions until it stops and stops.

1. If the speed is unstable, the diesel engine gradually extinguishes: If there is no oil, it can be started after refueling. Place the throttle in the neutral position, and the transmission is in neutral gear. Turn the crankshaft with your hand and listen to the sound of the fuel injected by the injector. If anybody in the oil freezes during the winter and blocks the oil circuit, the tubing should be cleaned and dredged. The oil is not good, but also due to too much wax, poor fluidity and low pressure oil path, and lead to automatic flameout.

2. The exhaust pipe emits black smoke: The vehicle load suddenly increases, and the speed of the diesel engine significantly decreases. Therefore, excessive diesel injected into the cylinder emits black smoke because it burns too late. When you feel that the power of the car is obviously insufficient, the black smoke in the exhaust pipe becomes more and more serious, and the flame is automatically shut down. It is likely that the air filter is blocked.

3, white smoke exhaust: First check whether there is water in diesel. Second, check for oil in the sump oil and replace the oil and cylinder pad if necessary. In addition, the temperature in winter is low, diesel engines are too cold, and they will also emit white smoke when they start. The vehicle should be put into normal operation after the water temperature reaches 50°C.

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