crank no start, at a loss
Hi everybody. I have a 2003 ford f-250 with a 6.0l in the shop. It cranks and doesnt start. I have a ford ids and i checked ficm sync, and sync which both switch to yes when cranking. Icp is 1500psi when cranking and an ipr of 50% duty cycle. vpwr is 12v, FICM_LPWR and FICM_VPWR are also 12 volts. FICM_MPWR IS 48-48.5 volts. Cranking rpm is about 150rpm. It has 50 psi fuel pressure, it fills the oil filter bowl with oil. it does have a p2617 code, but FICM_SYNC and SYNC always switch to yes when cranking, and the ids always shows a rpm input. but the tachometer in the dash never reads. i found a ford tsb for this code in conjuction with a p2614 and it says to check for chaffed wires. I checked on intake manifold studs, connector under FICM, and i followed the harness all over and all i found is rub marks on the tape they wrap the harness with. So could the 2617 possibly be a problem? Could i have a high pressure oil leak causing the ipr to close and meke 1500 psi? I feel as if i have a high pressure oil leak, but not sure. Im at a loss here, so any help would be greatly appreciated. Also i disconnected the ICP, then tried to start it to check for a biased sensor, but there was no change. It cranks like it wants to start, black smoke roles out the tailpipe but it wont start. I do have an adapter to apply shop air to the high pressure oil rail on order but wont be here until next week. Thankyou very much in advance!!
Last edited by WEWILLE; 11-09-2008 at 07:29 AM.