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 utility trucks. …

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 solenoid in …

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...

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 out/replacing the …

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 system too lean …

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 Filter Box …

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 genuine gm cap. …

Jan 5, 2008 · The barometric pressure (BARO) is greater than 74 kPa . The engine coolant temperature (ECT) is more than 75-120°C (167-248°F) . The Closed Loop fuel control is enabled. The HO2S 1 is …

Sep 22, 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 cents before it …

Aug 16, 2009 · Has any one else routed the location of the evap filter box differently then what is specified in the tsb? I don;'t want to lower the transmission just to place this box on top of the …