Diesel Bombers - starting problems 04 f350 6.0

Hey guys new to diesel bombers and new to diesels so here goes. I have an 04 f350 6.0 powerstroke It all started with the egr cooler blow out, we replaced it with a bulletproof egr cooler and rebuilt the oil cooler It ran great but the check engine light came on took it to the shop had the codes read it threw glow plug 1/5 circuit codes and the internal cam sensor codes. We replaced glowplugs 1/5 it ran great. I went to work the next morning it ran fine.started it after work it started fine drove about 1 mile and lost power died out and wouldnt start. Waited 10mins it started drove fine about 50 miles and again leaving work it started fine drove about 4miles lost power and wouldnt start had it towed home replaced the other glow plugs and harnesses and it still wont start. Any help is greatly appreciated thank you in advance.