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What are the reasons for high RPM but low speed?

2 Answers

AlejandroLynn

07/23/25 7:59pm

The reasons for high RPM but low speed are: 1. Severe wear of the clutch plate or damage to the clutch pressure plate spring can prevent full power output; 2. The transmission is not engaged in the appropriate gear. The solutions for high RPM but low speed are: inspect and repair the car's clutch and transmission, and ensure the correct gear is engaged when shifting. The functions of the transmission are: 1. Change the transmission ratio to meet the traction needs under different driving conditions, allowing the engine to operate under favorable conditions; 2. Enable the car to reverse; 3. Interrupt power transmission, allowing the engine to start and idle, or when shifting gears or parking, to stop power transmission to the drive wheels; 4. Enable neutral gear, stopping power output from the transmission when the clutch is engaged.

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DelBrody

08/10/25 5:55pm

I've encountered this situation several times, likely caused by clutch slippage. When you press the accelerator, the engine revs up quickly but the car speed increases sluggishly – this is mostly due to worn clutch plates or oil contamination causing insufficient power transfer. Check if the clutch pedal height is normal, and frequent semi-engaged operation can also accelerate wear. It could also be transmission shaft or gearbox issues like gear jamming or failure to shift. Regular clutch fluid changes are recommended, avoid prolonged low-gear driving, and get it checked at a repair shop immediately if you notice abnormalities to prevent engine damage and increased fuel consumption.

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