Question about 2006 GMC Yukon Xl Denali
Code po449 is the canister vent valve solenoid error.This is a common problem with these valves because they are under the truck in the rear by the spare tire and they get all the dirt and water and snow,if you live in an area where you get snow.You will find it on the canister under the vehicle by the spare tire.
Posted on Nov 18, 2009
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Posted on Jan 02, 2017
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