Code for p0446 04 Silverado 4.8l
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Code for p0446 04 Silverado 4.8l
I changed the purge valve and the canister and fuel neck but now my check engine light is on and throwing a code p0446 any info would be great trying to get check enigne light off to pass inspection
CF Senior Member
Joined: May 2010
Posts: 587
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From: Maryland
Please read this for more diagnostic information. Remember - diagnose, diagnose, diagnose, and then repair what is broken rather than just throwing parts and money at the problem.
https://easyautodiagnostics.com/gm/4...e-definition-1
Good Luck!
https://easyautodiagnostics.com/gm/4...e-definition-1
Good Luck!
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T'boo Ted
Silverado, Sierra & Fullsize Pick-ups
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Oct 28, 2010 5:15 PM