Oct 24, 2007 · So I currently have a CEL and the code is P0449, Evaporative Emission Control System Vent Valve/Solenoid Circuit. Some background, while I was en route to WI 2 weeks ago my gas cap …

Jun 6, 2016 · P0449 is an electrical problem. The Computer looks at the return wire from the solenoid and if the +12 volts is not as expected the code is set. This is most often a defective coil in the vent …

Jan 2, 2013 · Just fixed my po449 code. Bought the "vapor canister vent valve" from Napa. Part# 600-1627. Cost was 94.99 they sold it to me for "garage cost" at $77.99. This valve is connected to the …

Mar 25, 2014 · Well P0449 returned about a week ago on my 05 I5 Colorado. I thought the wire had broken again. It is cold out but I slid underneath the truck in my unheated garage and checked the …

Jul 30, 2015 · Long story short - after a second emissions software update the CE light was still on and when they finally checked with the computer - sure enough: code PO449 = evap vent solenoid failure.

Mar 31, 2021 · Hello all, new to this site but looking for info on this code if anyone has had this problem. 2015 Colorado Z71 crew cab. This code P0449 says evap issues...

Apr 6, 2009 · fault code p0449. Already replaced the vent solenoid, verified the solenoid does indeed work, have power at the solenoid but the ground never closes. I know this because I cleared the …

Oct 8, 2017 · So I'm Going to do the repair for code P0449 using the hummer H3 solenoid fix This is like a normal issue on these trucks I read up the charcoal canister solenoid goes bad . Watched a couple …

Nov 29, 2012 · so recently the engine light came code p0449 on my 2006 z71 3.5. So i did some research and found out it was. First thing i did was check the fuse. that...

Mar 31, 2012 · fault code p0449. Already replaced the vent solenoid, verified the solenoid does indeed work, have power at the solenoid but the ground never closes. I know this because I cleared the …