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2005 GMC Sierra 1500 5.3L MIL Lamp on
Posted to GM Driveability on 9/19/2011 24 Replies

truck keeps throwing PO446 code replaced vent solenoid and carbon canister as both were full of dirt and would not close solenoid has been back twice now for same code we can hear click (open/close) with scanner vent should be working Thanks for your help we d...

24 Replies Received (View Replies)

  Related Documents & Media  2005 GMC Sierra 1500

 
Message Closed w/FIX

car Vehicle Data

2005 GMC Sierra 1500

VIN 132FDOI1CD
Engine5.3 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / Fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Cold

Trouble Codes

P0446EVAP Vent Control System Performance
Message Closed w/FIX

car Vehicle Data

2005 GMC Sierra 1500

VIN 132FDOI1CD
Engine5.3 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / Fuel injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways, Cold

Trouble Codes

P0446EVAP Vent Control System Performance