please help
 

I'm knew to the the site hopefully i am doing the correct i have a 2003 ford f350 with 6.0 i have changed the egr cooler and oil cooler and added a water filter and oil bypass and less than 1000 miles ago changed the ficm and today i stoped at the convenient store and when i came to a stop the truck was idling rough i left it running and came out put in drive went 200 yard and while driving it died and will not start back please if you can help me i will be very grateful i had my friend pull me on home i have changed fuel filters and checked fuel pump it is working thank you

How many miles? Do you have oil pressure and high pressure oil? Do you keep.maintenance esp oil changes up to date?

Yes I keep the oil changed and I run amsoil in it it has 155500 or close to that

update
 

I towed it the Ford place today they said it was not building enough oil pressure it was only getting up to 200 psi when turning it over

Sry to hear. . Let us know how u make out. I'm ordering my dieselsite pump end of week when I can get core out to send in!

Hpop

last update
 

I found out that it was the high pressure oil pump and senser thanks for the input