Mechanics

MERCURY MARQUIS LOW IDLE PROBLEM

2007 Mercury Marquis • 75,702 miles

At idle, AC compressor disengages and blows hot air. At highway speeds air blows cold from 30 mph upward. Is there a low idle speed sensor for the compressor?
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Guest
January 26, 2013.



Have freon charge checked

Docfixit
Jan 27, 2013.