Why does my car sometimes act like its about to clunk out, then rev itself and begin to drive itself untill i can bring it to a stop and put it in park?

Asked by Jun 12, 2008 at 11:56 PM about the 1997 Pontiac Grand Am

Question type: Maintenance & Repair

4 Answers

35

no offense its because its made by GM. idk check your starter because it might be hitting a bad spot while its spinning and all idk

10

check your throttle position sensor.

1 people found this helpful.
11,185

If your check engine light is not coming on, I would check the idle air control valve. Trottle position sensor also an option, would trigger a light.

Best Answer Mark helpful
155

you might wanna take a look at the throttle postioning unit

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