What are the reasons for engine smoke?

1 Answers
BrandonAnn
07/29/25 11:38pm
The reasons for engine smoke are: 1. Small fuel injection advance angle, incomplete combustion; 2. Slight water leakage in the cylinder liner, water in the fuel; 3. White smoke during cold start, disappearing as the engine temperature rises; 4. Air-fuel ratio imbalance, cylinder pressure drop, early fuel injection time, failure of the smoke limiter on the fuel injection pump; 5. Abnormal operation of the exhaust brake system; 6. Engine burning oil. The maintenance methods for the engine are: 1. Use qualified engine oil; 2. Use qualified coolant and antifreeze; 3. Regularly clean the water tank scale; 4. Regularly clean engine carbon deposits; 5. Regularly replace the three filters of the car; 6. Maintain a reasonable speed.
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