Code po449 - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 1 (permalink) Old 03-15-2011, 06:52 AM Thread Starter
Join Date: Mar 2011
Posts: 2
Code po449

I kind of know what my problem is but do not know how to fix it--the cannister valve\soleniod back by the gas tank that is inside the cannister does not close when the car is turned on or started-i have replaced this valve and also have taken the valve out and applied 12v to it and it closes--i would like to know what tells this valve to close -- also checked the cannister vent fuse which was good!!!
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cannister , evap , purge , vent

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