evap

Howdy I am new here i joined because I have the a 2002 Tahoe. I am also a member over at gmt400 (I am r422b) When it is cold my flex fuel 5.3 does not idle smoothly it stutters and the rpm bounces. Also I have codes P0174 P0171 P0440 P0449

Hey everyone, brand new to this, thanks in advance for any help. Have a 2000 Yukon, 4.8L. Awesome vehicle, bought it brand new in 2000, wanted the cargo doors instead of the tailgate so had to special order it. It has 242K miles on it and it looks and runs like the day I picked it up from the...

2007 Chevy Tahoe LT. Just installed the new version of the EVAP vent valve! Took about and hour and half, but I finally figured it out. Check engine light is gone! Ya Baby! Let me know if you get the P0449 code, and/or if you need advice on doing this yourself. DO NOT PAY DEALER TO DO IT!