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Does coasting in neutral affect an automatic transmission car?

1 Answers

AnnaRose

07/29/25 8:24pm

Coasting in neutral can damage the transmission of an automatic transmission car. The specific impacts are as follows: 1. Inadequate oil supply: When an automatic transmission car is shifted into N (neutral) while driving, the transmission oil pump cannot supply oil normally for lubrication, causing the temperature of internal transmission components to rise and leading to complete damage. 2. Safety risks: Coasting in neutral significantly reduces safety. In fact, a vehicle's forward movement relies on the torque generated by the engine. Higher gears produce less torque, and throttle response becomes sluggish, actually slowing down acceleration. Therefore, the correct way to overtake is to downshift. For automatic transmissions, simply pressing the accelerator pedal all the way down will cause the transmission to downshift, providing sufficient torque. 3. Increased fuel consumption: Coasting in neutral does not save fuel and can sometimes even consume more. This is mainly related to the working mode of electronic fuel injection engines. Electronic fuel injection engines determine the amount of fuel injection based on the computer program. If coasting in neutral is selected, the computer will put the car into idle mode, and the engine will still inject fuel.

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