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Code p0449

(2007 Chevrolet Silverado 1500)
in Jefferson, TX on April 14, 2010
2007 chevy silverado classic. code p0449 light will come on and after a few days go off, then come back on. I have taken the solenoid and canister off and cleaned. also looked for leaks. have checked and tightened gas cap. when i reset the light it will stay off at least a day before coming back on. Thanks
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Popular Answer
on April 15, 2010
There is a service bulletin for the code p0449 setting on your 2007 Chevrolet Silverado 1500. The number is #09-06-04-028. The repair suggested is to replace the canister vent solenoid and relocate it to a position near the fuel filler neck. This may help but there is know way to tell for sure if this will correct your particular issue.
on April 28, 2012
what is P0449
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