Mechanics

CHEVROLET TRAILBLAZER DEFROSTER PROBLEM

2005 Chevrolet Trailblazer • 90 miles

Why does engine idle drop and then stall when defroster is turned on?
thank-you
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February 6, 2013.



Idle control motor is not upping the idle under load. Have it checked along with the passages for being clogged with carbon

Roy