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Old 07-03-2010, 08:00 PM
Jer Jer is offline
Join Date: Sep 2005
Location: Meriden, CT
Posts: 82
You should read the values of the temperature sensors in the system through the diagnostic function of the pushbutton unit. Go to this link and read about it.

Check the heater temp (#3) and evaporator temp (#5) and report back.

There is also a possibility that the refrigerant charge is low. But do the above test first and tell us what you get.
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