Code P0446 HELP

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01-18-2008, 05:17 PM

grapechief

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Join Date: Jan 2008

Posts: 1

Code P0446 HELP

New to forum. I have a PO446 code on my 99 Seirra. I was told that I may need to clean the charcol filter. I have no idea where to start looking for this thing or what it looks like. Any help would be great. Thanks

01-19-2008, 08:54 AM

Argon

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Join Date: Feb 2007

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Posts: 2,167

RE: Code P0446 HELP

446 is for the evap vent valve,and yes the cannister..its all under the truck near the tank

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