Yes after engine rebuild. I'm at a complete loss as to what to do. Short of replacing the wiring harness and fuse relays all other components have been replaced. New EGR valve and Mass air flow sensor. 😳😳😳😢
Nope all of that checked out to be good. This truck still has original catalytic converter and muffler and the truck was driven for a long time on five cyclenders. Is it possible that the catalytic converter could be plugged cause it to not breathe correctly causing these issues?
Engine is strong, won't idle, showed symptoms of the mass air flow sensor being bad but there's no way after the third one. Drove the truck for 3500 miles after new engine with no problems. Could it be a partial plugged cataloyc converter?
I can't get my truck to run. Engine light says Mass air flow sensor or oxygen sensor. I've now put three mass air flow sensors and a new ogxegn sensor new EGR, the engine is new and it still isn't running. Light doesn't come on when cold but will after about 2 minutes of driving it. Does...