What Causes Engine Shaking During Vehicle Acceleration?

[McElisa]

Here are the reasons for shaking during vehicle acceleration: 1. Engine operation issues. When a car is running, the engine must maintain optimal working conditions. Generally, insufficient air intake or poor fuel-air mixture can lead to suboptimal engine performance, causing shaking during operation. 2. Ignition system failure may occur due to incorrect ignition timing or prolonged use of worn-out spark plugs. 3. Extended use of spark plugs can cause aging, leading to increased ignition gaps. Abnormalities in the engine's ignition system can also result in shaking during acceleration. It is recommended to replace spark plugs with higher-quality ones and the timing chain.