The throttle position sensor in my car could be going out or is already bad.
If your vehicles throttle position sensor has gone bad then the vehicle may be put into reduced power mode. In reduced power mode the vehicle will not drive over a certain RPM and engine speed. Usually, a Check Engine light will be activated if this has occurred. A quick scan of the trouble codes by a knowledgable technician, such as one from YourMechanic, would shed some insight on the nature and source of the problem.
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