Why does the car shake when stepping on the accelerator?

[StSilas]

The reasons for car shaking when stepping on the accelerator are as follows: Due to long-term torsional fatigue and impact forces, the car's half-shaft is prone to bending, twisting, breaking, or wear and misalignment of the spline teeth. This can cause the car to shake rhythmically when accelerating within a certain speed range, with the shaking disappearing or reducing when the accelerator is released. Additional causes: 1. The engine requires sufficient air to operate properly. If there is a leak or blockage in the intake system, the car may experience shaking during acceleration. 2. In the engine ignition system, ignition high-voltage wires rarely have issues, so the main problems usually lie with the ignition coil and spark plugs, as they are wear-prone components. Poor performance or the use of inferior spark plugs can lead to weak acceleration or shaking during acceleration. 3. The car's fuel system is extensive and consists of many components. Any abnormality or malfunction in one of these components can cause the engine to shake during acceleration. Examples include excessive carbon buildup in the throttle body, faulty fuel injectors, a malfunctioning fuel pump, or a clogged fuel filter.