Why can't the car accelerate after shifting from first gear to second gear?

1 Answers
VanBrianna
07/29/25 1:21pm
Dirty throttle body or fuel filter may cause this phenomenon. Below is an introduction to the gears of an automatic transmission car: 1. P gear: The parking gear, which uses the mechanical device inside the transmission to lock the rotating parts of the car. It must be used only when the vehicle is completely stopped. Additionally, the gear must be in P when the car is turned off. 2. N gear: The neutral gear. Generally, when stopping briefly, you can shift to neutral, allowing your right foot to rest from the brake pedal. However, on slopes, you still need to press the brake to prevent the car from rolling, unless the handbrake or electronic brake is engaged. 3. D gear: The drive gear. When in D gear, the driver only needs to control the throttle pedal to adjust the speed. The transmission will automatically determine the appropriate gear based on the throttle position and vehicle speed, eliminating the need for manual shifting.
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