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2003 Chevy Silverado Evap Purge Valve

I’m working on a 2004 Chevy Silverado 4.8L with these codes right now

Check Engine Code P0446 (‘06 Chevy Silverado) - solenoid vent

P0446 code 2014 chevy silverado

Po442 Code Chevy Silverado

Po 440 Code
PO452 code and PO446 code | GMC Truck Forum