Question about 1996 Pontiac Grand Am

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When i start the car, it sounds like someone is pressing the gas pedal and the rpm is going up to 6000

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There is a good chance it is the Throttle positioning sensor. Before changing it though I would check to make sure no cables are binding and that the throttle is operating properly. ie not stuck open or sticking, binding anywhere. you also might be able to get information on testing it from a Haynes manual or another type of service manual to give you the voltage values on the sensor.

Posted on Dec 19, 2008


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Posted on Jan 02, 2017


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Our 2002 Dodge Durango 4.7 when started goes to full throttle 6000 rpm and has to be immediately shut off.

John, first make sure it is not floor mat or carpet holding gas peddle down causing throttle issue. If all looks good there, would suggest you check throttle cable for being seized, throttle body seized or return spring faulty/broke. You may want to contact a good Tech, have them diagnose and estimate repair. Check the attached links,instruction and guides, Good luck
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My legancy 2000 automatic gear shifts at ruv 3400 rpm .is it normal?

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1999 honda accord idle problem: Car won't start just turning the key only when pressing the gas pedal down will it start and can hold the rpm at 1+ with gas pedal down but if you let go of the gas pedal it...

Is the engine light on, if so have them read? Take a look the charging system (see if it is above 13volts and below 16volts), see if the gas cap is on firmly and the o-ring on it is in good shape, look at the cars maintenance history and see how long its been since the last complete tune-up. If there are no codes recorded then it would probably be a mechanical issue, Look at coils, fuel pressure, timing, and injectors. If you need more specific info, just let me know, Good luck.

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