1999 Other Jeep Models start up high idle

1999 JEEP
95,000 MILES • V8 • 4WD • AUTOMATIC
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SHAWN2793
  • MEMBER
  • 3 POSTS
hi i got a 1999 jeep grand cherokee limited with a v8 engine when i turn my car on it revs up to 3000 rpms and stays up there and sounds like im pressing the gas it stays like that for about 20 seconds. do you know what the problem can be??
Sep 12, 2010 at 12:59 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Try cleaning out the idle air control valve/motor and test the throttle positon sensor
Sep 12, 2010 at 3:58 PM
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SHAWN2793
  • MEMBER
  • 3 POSTS
do you know where that would be located on the jeep?
and how do i test the throttle position sensor?
Sep 12, 2010 at 4:02 PM
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