Is it normal for the engine to have intermittent idling vibrations but run smoothly?

1 Answers
MadelynDella
07/30/25 4:34am
Reasons for intermittent engine idling vibrations: fuel quality issues, severe engine carbon buildup. Specific explanations are as follows: Fuel quality issues: The function of fuel is to supply the engine with a certain amount of clean, well-atomized gasoline according to the operating conditions of the engine. If there is a problem with fuel quality, the quality of the gasoline will deteriorate. Therefore, the engine may experience vibrations, which can be resolved by switching to higher-quality fuel. Severe engine carbon buildup: Engine carbon buildup has always been a serious issue. It can be addressed by using higher-quality fuel or purchasing carbon removal products available on the market.
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