What to Do About Car Idle Vibration?

1 Answers
DiGenesis
07/29/25 9:17pm
Idle vibration is usually caused by carbon buildup inside the throttle body and idle air control valve. Cleaning the throttle body and idle air control valve can resolve the issue. Poor quality gasoline can also lead to idle vibration. It is recommended to use higher-grade gasoline after finishing the current tank and perform a fuel system cleaning. If the spark plugs fail to ignite, this can also cause idle vibration. Check the ceramic part of the spark plugs for cracks and ensure the ignition module is functioning properly.
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