1997 Mercury Cougar High Idle Park Nutral Does Down While Driving Let Off

1997 MERCURY COUGAR
89,950 MILES
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ANONYMOUS
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High idle in park and nutral, and does not go down while driving when let off throttle until brake is pressrd.
Mar 26, 2013 at 8:47 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Look for a vacuum leak and also check the idle air control valve
Mar 27, 2013 at 1:25 AM
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