Question about 2007 Pontiac G5 Gt Coupe

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Check engine light came on and then the a/c stopped blowing cold air. What could the problem be?

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In today's vehicles, the A/C information is integrated into the OBD-II diagnostic information. Therefore, if freon leaks out or a component in the A/C system goes bad, the engine computer can detect it.

Have the vehicle scanned for codes to determine what exactly is wrong with the A/C system (freon charge, or upper or lower pressure switches, etc.).

Posted on Aug 19, 2010

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