Q: Revving noise in engine.

asked by on February 09, 2017

When starting my vehicle, it makes an accelerating and decelerating revving noise continuously and when the car is warm enough, the noise stops. If I bring the vehicle to a full stop, the noise then continues once more. It also doesn't mark gas properly. as I accelerate the gas gauge moves up and the same happens with deceleration. This has been going on for about 2 weeks.

My car has 80060 miles.
My car has an automatic transmission.

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