What to Do About Unstable Throttle Control?

1 Answers
AutumnDella
07/30/25 1:50am
Unstable throttle control is mostly caused by incorrect operation of the accelerator pedal. When pressing the accelerator pedal, the heel of the right foot should be placed on the floor of the cabin as a support point, and then the sole of the foot should press on the accelerator pedal, using the flexion and extension of the ankle joint to press down and lift the pedal. The car's accelerator pedal does not directly control the fuel injection volume but rather the throttle opening. When the accelerator pedal is pressed, the throttle opening increases, allowing more air to enter the engine. Consequently, the ECU commands the fuel injection system to inject more fuel, causing the engine speed to rise and the car to accelerate. Over time, carbon deposits can form on the throttle due to frequent use. It is advisable to clean the throttle periodically. When cleaning the throttle, it should be removed and cleaned with a specialized cleaning agent.
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