Join Now
International Automotive Technicians Network

P0446 Diagnostic Trouble Code Discussion for December 2013

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
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W9Y
P0446: EVAP Vent System Performance. ... EVAP system fixed on this Blazer. This all started out with a P0446 vent code. Tested the vent and it stuck as normal, so I replaced it with a Dorman piece. After that, it started throwing a P0442 (small leak) code. I looked in to the fuel tank pressure se...
December 17, 2013
2000 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W9Y
P0446: EVAP Vent System Performance. ... EVAP system fixed on this Blazer. This all started out with a P0446 vent code. Tested the vent and it stuck as normal, so I replaced it with a Dorman piece. After that, it started throwing a P0442 (small leak) code. I looked in to the fuel tank pressure se...
December 17, 2013