where is the evaporative emission system vent valve/solenoid circuit located? on 2007 GMC Sierra 1500

just had the check engine light come on and the code was PO449

by in Loris, SC on August 05, 2011
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1 answer 1 comment
ANSWER by , August 05, 2011
vent valve is above or around the fuel tank. the 449 only says there a control issue, it never identifies a bad part just a failed system. you better get it check first before spending the money to buy the valve. Roy
COMMENT by , August 05, 2011
ok thanks