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What Causes No Response When Pressing the Accelerator While Reversing?

1 Answers

VivienneLynn

07/29/25 5:49pm

When the accelerator does not respond while reversing, it is mainly due to abnormalities in the car's transmission, braking system, or power output. The engine's power is generated through the coordinated operation of the intake system, ignition system, and fuel system. If any of these components malfunctions, it may lead to a decrease in engine power, resulting in unresponsive acceleration, body shaking, or smoke from the exhaust. Below is a detailed analysis: Transmission Failure: If the transmission fails, the engine speed may suddenly increase from 2000 RPM to 4000 RPM. This occurs because there is no power supply, and the engine suddenly operates under zero load, causing fluctuations in RPM. Solution: The engine warning light will illuminate in this case, and the vehicle should be taken to a 4S shop for repair. Braking System Abnormality: Some car models are equipped with a brake override system. If both the brake pedal and accelerator pedal are pressed simultaneously, the brake pedal takes priority, rendering the accelerator unresponsive. Check if the floor mat is properly secured. If the mat interferes with the brake pedal, it may send a brake signal, activating the brake override system. Solution: Inspect the brake pedal and adjust the car floor mat.

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Until What Age Should Child Safety Seats Be Used?

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