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What Causes Car Acceleration Shaking?

3 Answers

DelDakota

09/06/25 7:49am

Car acceleration shaking is caused by: engine malfunction; insufficient cylinder pressure; faulty half-shaft; fuel system malfunction; aging engine components; ignition system failure; dirty throttle; excessive injector carbon deposits; excessive intake tract carbon deposits. Solutions for car acceleration shaking: 1. Replace filters: Including oil filter, gasoline filter, fuel filter, and air filter. Replacing filters can improve filtration efficiency, reduce impurities, and make engine combustion more complete. 2. Clean carbon deposits: Including spark plug carbon deposits, throttle carbon deposits, and cylinder carbon deposits.

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DeMadison

09/18/25 7:27am

I've experienced shaking several times when accelerating, which is really annoying. The most common causes are aging spark plugs or faulty ignition coils leading to uneven ignition; it could also be clogged fuel injectors or unstable fuel pump pressure causing insufficient fuel supply. Unbalanced tires or loose suspension components can also cause body vibration during acceleration, especially at high speeds. Excessive carbon buildup affecting engine performance is another potential issue. I recommend starting with simple checks like inspecting spark plugs or tire conditions; if the problem persists, it's best to get a comprehensive inspection at a professional shop - after all, driving safety comes first.

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LeKathryn

11/01/25 7:53am

Having worked in an auto repair shop for a while, I've gained a thorough understanding of common causes for acceleration shaking. Ignition system failures are the most frequent, such as spark plug electrode erosion or coil breakdown, leading to misfiring. On the fuel supply side, clogged injectors due to carbon buildup or fuel pump failure can cause an imbalance in the air-fuel mixture. In the air system, vacuum leaks in the intake pipe or a dirty air filter restricting airflow can worsen the shaking. Worn or damaged engine mount rubber directly transmits vibrations to the body. It's advisable to first read the fault codes with an OBD scanner for targeted checks on related components; for those with DIY skills, replacing spark plugs isn't difficult, but for more complex issues, professional repair is recommended.

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