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  #1  
Old 06-21-2010, 09:29 AM
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Brian Brian is offline
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Question ? Sign of looming A/C problem?

It used to be that my A/C always started out on full blast when I hit the auto button with the tempurature set to minimum. Lately, it will only start at full blast for a second, if at all, and then the blower will go to low (and sometimes w/o cooling the air) for a few minutes before kicking back into full blast and staying there. The air is just a cold as ever when it goes full blast. I don't know if this is an indication that pressure is low in the system (or another impending mechanical problem) or just some electronic glitch with no basis in a physical/mechanical issue.
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Old 06-21-2010, 09:54 AM
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Re: ? Sign of looming A/C problem?

Quote:
Originally Posted by Brian View Post
It used to be that my A/C always started out on full blast when I hit the auto button with the tempurature set to minimum. Lately, it will only start at full blast for a second, if at all, and then the blower will go to low (and sometimes w/o cooling the air) for a few minutes before kicking back into full blast and staying there. The air is just a cold as ever when it goes full blast. I don't know if this is an indication that pressure is low in the system (or another impending mechanical problem) or just some electronic glitch with no basis in a physical/mechanical issue.
Brian,

Check the 10A A/C fuse in the underhood fusebox. I could be totally off, but I replaced that fuse when I was having another issue, and it also cured my sporatic AUTO A/C function.
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Old 06-21-2010, 11:17 AM
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Re: ? Sign of looming A/C problem?

Another thing to suspect is the sunload sensor and the interior temperature sensor.... if they are giving false readings then your climate control adjusts incorrectly when you have it on auto.
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Old 06-21-2010, 07:58 PM
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Re: ? Sign of looming A/C problem?

Don't think it could possible related to pressure or lack of pressure in the system.

Keith
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Old 06-21-2010, 08:15 PM
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Re: ? Sign of looming A/C problem?

rescinded.... postcount +1
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Last edited by SoCal LS-L; 06-21-2010 at 10:22 PM.
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