Idle promblems

Tiny
KENNEMRL
  • MEMBER
  • 2004 FORD MUSTANG
  • V8
  • 2WD
  • MANUAL
  • 76,400 MILES
I have a 2004 mustang GT 4.6 sohc I m getting a irratic idle, aand some times it surges when im driving in 1st and 2nd gear
Monday, December 20th, 2010 AT 10:42 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You may have a bad IAC ( idle air control) but try 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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Tuesday, December 21st, 2010 AT 12:23 AM

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