See the running lean problem has crossed my mind before and i have messed with the mass air flow sensor and its clean and seems to work fine. The truck runs rich in town and when i get on a trail it thends to runs rich too but i do understand that a lean running engine will have a possiblity of over heating.. Even before i rebuilt the engine it ran rich as
. i have gone through and checked every thing from wiring to a simple tune up. i have replace the throttle position sensor if that has anything to do with it. Also when i rebuilt the engine i didnt replace the water pump cause it spun fine and didnt lock up. Maybe it took a
from then to now idk lol well thanks for the help guys
