Abnormal phenomenon after diesel engine failure

When the diesel engine fails, the following abnormalities usually occur:
1. The sound is abnormal during operation. Such as abnormal knocking sounds, cannoning sounds, blowing sounds, exhaust sounds, periodic friction sounds, etc.
2. The operation is abnormal. For example, the diesel engine is not easy to start, there is severe vibration during work, power is insufficient, and the speed is unstable.
3. The appearance is abnormal. For example, diesel exhaust pipes emit black smoke, blue smoke, and white smoke, and oil leakage, water leakage, and air leakage occur in various systems.
4. The temperature is abnormal. The temperature of the oil and cooling water is too high, the exhaust temperature is too high, and the bearing is overheated.
5. The pressure is abnormal. The oil, cooling water and fuel pressure are too low, and the compression pressure is lowered.
6. The smell is abnormal. When the diesel engine is running, it emits odors such as odor, burnt smell and smoke.