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Why Does My Engine Rev Up When Im Slowing Down? [Solved]
Most of the time when this issue occurs, it is due to a faulty idle air control valve. This valve is responsible for letting some air from the air cleaner bypass the throttle body so that the engine can breathe without the accelerator pedal being depressed.9 Sept 2016
Engine Revving Up and Down at Idle FIXED
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How to repair Bad Idle Speed problem in car. RPM go up and down
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