2001 Pontiac Montana Engine rpms stays at about 4000

2001 PONTIAC MONTANA
150,000 MILES • 6 CYL • FWD • AUTOMATIC
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DISISJC
  • MEMBER
  • 18 POSTS
Sometimes the rpms won't go back down to idle while driving. I can sometimes turn off the ign and then crank it back and then it will idle. Then sometimes it works fine. Also while messing with this problem I have found that as it sits in park, I can press the gas petal as far as I can and it won't go above 4500 rpm's. Is that normal?
Feb 9, 2008 at 10:57 AM
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ROCKWOOD84
  • ✓Experienced Mechanic
  • 103 POSTS
sounds like the throttle position sensor has gone nuts. check to see also if throttle cable is binding .....
Mar 1, 2008 at 1:06 PM
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