working on a 04 f-350 with the 6.0. the problem is it starts and idles.but when i try to move the truck it moves slow and got it to the floor. no engine lite is on. it idles rough like its has a miss. check fuel press its got 62psi. checked for plugged EGR and it was lil dirty but not bad. cleaned ane reinstalled. still didnt help. any ideas