What Causes the Car to Shake When Turning Off?

1 Answers
WalterAnn
07/24/25 6:18pm
The reasons for the car shaking when turning off are: 1. Dirty throttle body or excessive carbon deposits in the fuel injectors; 2. Issues with the ignition system—check the condition of the spark plugs, high-voltage wires, and ignition coils. Poor performance of the ignition system or weak spark plug firing can also lead to such faults; 3. Unstable fuel pressure, faults in the fuel supply pressure or intake pressure sensor; 4. Aging engine components. Car shaking is related to worn engine mounts, which act as the engine's vibration damping system. Engine mounts absorb minor vibrations during operation. If the mounts are faulty, vibrations will transmit to the steering wheel and cabin, causing shaking when idling.
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