2004 Jeep Cherokee idle high

2004 JEEP CHEROKEE
97,000 MILES • 6 CYL • 2WD • AUTOMATIC
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ROCAFELLA26
  • MEMBER
  • 1 POST
check engine light on......when car starts idle revs up for a min...then goes down....then continues this process as long as the car is on...up and down ..seems like its going to cut off but doesn't ...does it while driving also..
Sep 13, 2010 at 6:33 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check engine light on

Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on
Sep 13, 2010 at 6:39 AM
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