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alarm code p0446

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by grubbs11, Mar 29, 2010.

  1. grubbs11

    grubbs11 New Member

    engine light came on last friday. took it to dealer where i bought the truck from last week and they said it was some old codes that needed to be deleted. well monday morning light came back on and i went to autozone where they checked it with there controller. they said it was code p0446. which states
    purge or vent solenoids defective
    check connector or wiring
    fuel saturated vapor canister
    failed EVAP vent solenoid

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