2006 Ford Mustang Idle problems

Tiny
KILOWATT3
  • MEMBER
  • 2006 FORD MUSTANG
  • V8
  • 2WD
  • MANUAL
  • 60,000 MILES
I turn on the air conditioner and the idle seems to jump up and down when I come to a stop. Sometimes even almost coming to a stall, but never cuts off, but when it does that, it revs up high for a second, and then goes back to normal.

This only happens when I have the air, or defrost on. But now seems to have a low idle with the air off.
Sunday, April 6th, 2008 AT 9:11 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Try cleaning the throttlebody, and the Idle air control valve. Use a cleaner that is Ford approved, parts are teflon coated. Harsh cleaners destroy the coating! Does the check engine light come on?
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Sunday, April 6th, 2008 AT 9:16 AM

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