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Will not idle steady with A/C turned on

Tiny
EAMMANN
  • MEMBER
  • 2006 FORD CROWN VICTORIA
  • 40,000 MILES
Car idles OK with vent/heater on. When I turn on the a/c it alternates between 900 rpm and 500-600 rpm when the a/c unit cycles on and off. I think the freon level might be low because it is normally cold a/c at idle but now it's not, only get cold when driving. Any suggestions besides getting the freon level checked?
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Sunday, September 11th, 2011 AT 8:33 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Could be the idle air control motor not compensating for the load. You need to have it checked. The ac issue sounds like a separate issue. It may be low in freon and needs to be checked for a leak.

Roy
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Sunday, September 11th, 2011 AT 11:13 PM

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