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1999 Silverado a/c problem

I have issues with my Silverado's a/c. It will blow cold while in idle as long as it isn't revved up. Once I start driving it begins to blow warm. The compressor has been checked and seems functional and there is plenty of refridgerant in it.

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Check your high preasure switch,check your preasures,if your preasure on the high side if it high the preasure switch is protecting your compressor,to be honest if your not trained in this you need to take to some one who has a license

Posted on Jul 28, 2009

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I suggest you refer the link below and follow its troubleshooting details:------

Click the link below:-----

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http://technoanswers.blogspot.com/2012/12/ford-expedition-iac-valve-replacing.html

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