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Why does the engine RPM not increase when stepping on the accelerator?

1 Answers

PeterMarie

07/30/25 8:26am

Car stepping on the accelerator RPM does not increase due to: throttle problems, fuel supply system problems, ignition system problems, accelerator pedal position sensor problems. After this situation occurs, it should be tested at a professional repair shop or 4S shop. The ignition system of the car engine is mainly composed of spark plugs and ignition coils. The spark plug is a wearing part that needs to be replaced regularly. Long-term use of spark plugs will increase the electrode gap, which will affect the normal ignition of the spark plug. Long-term use of spark plugs will also produce carbon deposits on the electrodes, which will also affect the normal ignition of the spark plug.

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