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2002 Pontiac Grand Am engine running real high

Tiny
CBAKES
  • MEMBER
  • 2002 PONTIAC GRAND AM
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 91,200 MILES
I'm having issues with my car. When I start it up it runs real high like you are driving 30 miles an hour. The rpm's are at 2.5. When I'm driving I don't have to push on the gas because the car is doing it for me which is scarey and I have to hit the brakes to slow it down. When I'm at the stop sign I have to really push on the brake to keep from going. Then when I sit at a light for a minute or so then it drops to normal like nothing happened. The rpm's drop down to.5 like normal when you are at a stop. What could be causing this because it's dangerous?
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Wednesday, May 19th, 2010 AT 11:29 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Clean out the idle air control valve and throttle plate and test the throttle position sensor.
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Wednesday, May 19th, 2010 AT 3:01 PM
Tiny
CBAKES
  • MEMBER
  • 2 POSTS
If having problems with the throttle sensor and stuff will that affect the engine temp and stuff? I had changed the temperature sensor and stuff and it's still get's hot.
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Wednesday, May 19th, 2010 AT 5:06 PM

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