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Old 09-15-2009, 04:47 PM
Junior Member
Join Date: Sep 2009
Posts: 1
Default code po449

I have a 2006 chev silverado and the check engine light came on.
The code that showed up was PO449.
Can anyone help with this problem?
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Old 09-15-2009, 06:56 PM
Mr_Shamrock's Avatar
Chevrolet/GMC, Racing, Recreational Forum Moderator
Join Date: Apr 2009
Posts: 2,267

Here is an link to another website that talks about this issue...
Hope it helps you out!
2003 Chevrolet Tahoe 4X4 5.3
2002 Chevrolet 2500HD 4X4 8.1 - BlackBear Tuned

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Old 09-15-2009, 08:12 PM
Toyota, Nissan, and Other Truck Forum Moderator
Join Date: May 2009
Location: West Texas
Posts: 1,845

Either bad gas cap or vent solenoid is bad.
That way you'll Learn!!!!
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Old 09-15-2009, 08:12 PM

08, 2000, 2006, chevy, code, colorado, gm, gmc, gmctrucks, po449, sierra, sierrapo449, silverado, solenoid, vent

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