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What Causes Car Shaking After Turning Off the Engine?

1 Answers

StRyder

07/29/25 8:58pm

The reasons for car shaking after turning off the engine are: 1. Throttle issues: such as throttle blockage, carbon buildup on the throttle, or abnormal throttle opening. It is necessary to clean the throttle promptly; 2. Too many impurities in the intake tract, causing the onboard computer to fail to precisely control the idle air intake; 3. Spark plug issues: such as the spark plug reaching the end of its lifespan, electrode erosion, or damage; 4. Use of low-quality gasoline, leading to fuel pump blockage or incomplete combustion of the air-fuel mixture in the cylinders; 5. Fuel injector issues: such as carbon buildup or blockage; 6. Aging engine mounts are also a common cause of shaking.

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