Why Can't the Car Accelerate When Pressing the Gas Pedal?

1 Answers
Maxine
07/30/25 8:03am
If a car cannot accelerate when pressing the gas pedal, it may be due to a malfunction in the throttle system. Below are specific explanations for the possible causes of this issue: 1. Clutch Slipping: The symptom of clutch slipping is that when the gas pedal is pressed hard, the engine RPM increases rapidly, but the vehicle speed does not improve. 2. Poor Fuel Quality: Using low-quality fuel can affect the fuel filter and fuel lines, potentially leading to poor fuel supply and resulting in weak acceleration. 3. Throttle Carbon Buildup: Carbon deposits accumulating on the throttle can restrict air intake, causing insufficient engine power and difficulty in accelerating. 4. Small Engine Displacement: If the car has a small engine displacement and is carrying too much weight, this situation is considered normal.
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