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Showing results for tags 'evap chevy silverado po446'.
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I have a 2002 Chevy Silverado 5.3l shortbox 4x4 and the SES light popped up with code P0446. I want to clean out my EVAP vent valve and possibly replace the EVAP vent solenoid but can't find it! My Haynes manual is worthless. It shows a nice picture of it but doesn't mention where it is. I've searched and searched forums and everybody talks about how easy it is to clean or replace. The only problem is that on my truck it appears that it is located on top of the fuel tank with no apparent way to reach it. None of the forums, or the GM TSBs I have read say anything about having to remove the bed or fuel tank to get to it. Does anybody have any suggestions or know where it is for sure? I would appreciate any help. Thanks!