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Old 12-26-2007
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I am: David Perez
Join Date: Dec 2007
Location: New Market
Vehicle: 2006Ford Ranger
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Low Idling Speed when cold

Hey Folks,

Got a 95 Ranger. It just got cold here and the high idle when starting doesn't seem to work. Once the truck warms up, it runs great. I also noticed that the automatic AC compressor engagement doesn't seem to be working. Only recent repairs was a new heater core and radiator repair. Any ideas???>


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Old 12-26-2007
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I am: Bob Ayers
Join Date: Aug 2006
Location: Durham, NC
Vehicle: 1999 Ford Ranger
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Your idle problem is probably due to a bad IAC valve. You can try cleaning it, to see if that helps, but you will probably end up replacing it. What do you mean by "automatic AC compressor engagement"?
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Old 12-26-2007
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I am: Rich B
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IAC would be my first guess. Possibly a vacuum leak or a slightly stuck open EGR too.

If the AC clutch isn't kicking in defrost mode I'd first look to see if the wire is getting a signal. If not check the fuses. If so put a 12v power to it to see if it'll physically work. If it does.. low refergerant most likely.

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