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2000 Ford Mustang Rev high

Tiny
KDAUSER
  • MEMBER
  • 2000 FORD MUSTANG
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 100 MILES
My 2000 ford mustang while in Drive is reving high then lunging forward while the breaks are pressed
at stop signs or red lights. What could be a possible cause of this problem? There are no indicator lights on
Saturday, August 6th, 2011 AT 8:42 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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Saturday, August 6th, 2011 AT 8:57 PM

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