What Causes the Car to Jerk, Feel Weak, and Fail to Accelerate When Pressing the Accelerator?

[KinsleyDella]

Car jerking, feeling weak, and failing to accelerate when pressing the accelerator is caused by clutch slippage or engine issues. Below are detailed explanations of the specific reasons: Clutch Slippage: Clutch slippage primarily manifests as the car's speed not increasing with the engine's RPM during acceleration, preventing the engine's power from fully transferring to the drive wheels, resulting in weak driving performance, especially noticeable when going uphill. The main causes of clutch slippage include: insufficient friction on the clutch friction plate; shifting gears prematurely or disengaging gears before the clutch is fully engaged; prolonged driving with the clutch partially engaged or coasting with the clutch pedal depressed; and abnormal wear of the clutch plate due to forcefully pressing the accelerator when the gear is not fully engaged or disengaged. Engine Issues: The power source comes from fuel combustion, and the engine is responsible for supplying fuel and converting chemical energy into mechanical energy. Therefore, when the car struggles to accelerate or feels weak, the engine system should also be a key focus for inspection.