Jul 18, 2008 · I keep getting a P0446 code on my truck and have been reding on the net and found this true. 04-06-0055) for code P0446 on 2000-03 Cadillac, Chevrolet and GMC full size …

I have a 2003 silverado 15004.3L it's throwing codes P0442,P0446,P0455,P0496 I have changed the charcoal canister vent valve, purge valve, gas cap reset the...

May 5, 2017 · My 2006 Silverado threw the code P0446 (EVAP Vent circuit malfunction). I looked at some of the other boards online as to find out how to fix. I have replaced the purge valve …

May 24, 2016 · I've got a 2001 Silverado 1500 with the 4.8 V8. The truck has 84,000 miles on it and has the P0446 code and P0446 pending code. I did some research and replaced the vent …

Mar 8, 2017 · Hello everyone, I have a 2008 silverado 4.8l. It is throwing a P0446 code, and after going through forums and fixes online, it seems like my best bet is to start with blowing …

Oct 6, 2017 · Subject: DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate …

Nov 13, 2012 · Hello all, I have been getting the check engine light on here lately. been getting code P0174 a few times last week, and today I got P0171 and P0174 which translates to …

Sep 24, 2020 · My 2018 Silverado is throwing code P0446 which i causing a rough idle and lower power when accelerating. It is also impossible to add fuel to my tank. I can put in about 30 …

Nov 28, 2024 · I have a P0446 (EVAP) code. I hear a strange type of "buzzing" sound coming from the engine bay when the truck is running. It is not constant, but it is frequent enough that I …

Mar 29, 2019 · Hello, Having a P0455 trouble code on my 05 Silverado 5.3L non-flex. There's a ton of these posts on here but i can't pinpoint the problem. I replaced the gas cap with a …