Join Now
International Automotive Technicians Network

P0446 Diagnostic Trouble Code Discussion for November 2009

EVAP Vent System Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2001 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 1HJ5231578
P0446: EVAP Vent System Performance. ... code P0446. Being that this code is normally the purge solenoid I replaced it. The code came back. I smoke tested the system and there are not any leaks. The lines do not have any kinks in them. I vacuum tested the system and it does not leak. I replaced t...
November 27, 2009
2001 Chevrolet Suburban 1500 LT 5.3L MIL Lamp on VIN: 1HJ5231578
P0446: EVAP Vent System Performance. ... code P0446. Being that this code is normally the purge solenoid I replaced it. The code came back. I smoke tested the system and there are not any leaks. The lines do not have any kinks in them. I vacuum tested the system and it does not leak. I replaced t...
November 27, 2009