Hi all, 1st post here. I have to say I have learned alot form everyone here, so thanks all!
So, my problem. I have a 2006 Expy, 5.4L , and when the engine is cold, it runs fine. Now as soon as it warms up, I start getting P0174, P0171, and the occasional P0308 code. Ive checked the LTFT for bank...