07-01-2023, 05:36 AM | #3 |
Registered User
Join Date: Dec 2011
Location: WA
Posts: 366
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Re: P0446 code?!?! 😡😡😡
Do you use the updated evap part gm provides?
https://downloads.innova.com/tsb-fil...00/2380966.pdf #02-06-04-037F: DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit) - (Aug 5, 2009) I just fixed this problem. I installed the updated evap part, a new gm fuel pump and the PO446 code was gone. |
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