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What Causes the Dragging Sensation When Releasing the Throttle in a Car?

2 Answers
StAvery
07/29/25 11:40pm
Releasing the throttle and experiencing a dragging sensation in the engine could be related to cleaning the fuel system. Improper operation or incorrect installation may lead to this issue, so it is recommended to have it checked promptly. Below is relevant knowledge about the dragging sensation: When releasing the throttle, the upshift mechanism may be triggered, causing the engine's RPM to drop naturally during upshifting. This RPM drop leads to a reduction in the engine's torque output, resulting in the engine's kinetic energy output being lower than the car's demand, hence the sensation of being dragged. This issue typically occurs between 1st to 2nd gear or 2nd to 3rd gear shifts, as the gear ratio differences between these gears are relatively large.
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EmilioRose
08/16/25 2:50am
I usually drive to and from work, and sometimes when I let off the gas pedal, it feels like the car is being pulled back, which is quite jerky. This dragging sensation is generally related to the engine's braking force during deceleration. When you release the throttle, the engine is still compressing air internally, which creates resistance to help slow you down—especially noticeable in automatic transmissions when the gearbox downshifts automatically. However, if the sensation feels too strong or lasts too long, it might be due to an older car with spark plug carbon buildup, leading to lower ignition efficiency and unstable combustion. Alternatively, the automatic transmission's clutch plates could be worn, causing rough gear shifts. It's recommended that I check tire pressure and transmission fluid levels. Simple maintenance, like replacing spark plugs every six months, can help alleviate this. On rainy days, be extra cautious of slippery roads, as this dragging sensation might make the car less stable—slowing down earlier is safer. Don’t ignore minor issues; developing a habit of regular maintenance is always wise to prevent small problems from turning into major ones that affect driving comfort.
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