purge or solenoid evap vent located where

Asked by Richard May 21, 2015 at 12:51 PM about the 2008 GMC Sierra 2500HD Work Truck Ext. Cab LB 4WD

Question type: Maintenance & Repair

check engine light came on error code p0446

5 Answers

FordNut answered 9 years ago

http://engine-codes.com/p0446_gmc.html Possible causes - Plugged vapor canister - Faulty vent solenoid - Pinched or blocked EVAP hose - Faulty FTP sensor

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FordNut answered 9 years ago

click for more information A TSB was issued for this by GM

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FordNut answered 9 years ago

The perspective of this image is from front looking from passenger side. Item 1 is left, drivers side

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