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Will the car slow down if the accelerator is not pressed?

1 Answers

DelPaul

07/30/25 2:49am

Will the car slow down if the accelerator is not pressed? Because the power of the vehicle comes from the engine, the power and torque of the engine, in addition to the inherent parameters of the engine itself, mainly depend on the engine speed. When the driver operates the accelerator pedal, it ultimately results in a change in engine speed. If the accelerator is released, the engine theoretically supplies fuel at the idle speed level, causing the engine speed to drop to idle speed, and the power and torque output by the car will become very small. Due to factors such as ground resistance, the vehicle's speed will gradually decrease. When using the accelerator in daily driving, it is essential to press the accelerator slowly and release it quickly. After releasing the accelerator, the foot must be placed on the brake pedal to be ready to stop at any time. Do not keep the foot on the accelerator, as it can easily lead to mistaking the accelerator for the brake in an emergency, causing a serious accident.

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