hpo leakdown

Ok I need someone to please help me out a little. I have a 04 f350 6.0. It started with having longer starts for about a week. Then it wouldn’t start at all just crank. That was over a month ago. I hooked up a scan gauge icp was around 310. Ipr was 84.5 and ficm and everything was fine. Only...

I recently did the o ring job on my injectors because I had oil in my fuel and had some whit smoke. After replacing the orings it ran good, and barely smoked. Not it slowly started smoking more and more. I get a check engine light after awhile and it runs like crap plus won't restart when warm...