Ok, so I was towing a heavy toy hauler, truck fluttered like 3 times and then started losing power up the hill. I thought at first I lost a turbo boot but I rolled window down ( as I had lost on this summer already) to listen and looked at the gauge and it was reading a solid 30.. Normal max it would run around 26. stock gauge.
I made it to the next turn off and slowed down to turn and it died once it idled down. ( before the turn ) Then no start. blocking highway. dark. and no cell service. in the middle of nowhere.
SO it didn't throw any codes,
got it on a reader.
it has 280 to 320 at ICP when cranking ( had another 06 parked next to it and swapped ICP also. ICP is good
we changed the IPR to new one, old one had bad o ring and screen was not on end when pulled out. Magnet need to remove from engine...
Ipr is still showing 15 then jump to 85 when cranking.
put air pressure to ICP hole and getting sound out the the oil fill tube passenger side, drivers side does not seem to have any sound.
Ficm is cranking 48v so its fine.
So how do you tell what is wrong with it beyond what we have done. is there a way to tell if it is the HPOP or stc fitting or something else,
during one of the test cranks the ICP reached 500psi for a second but still didn't even act like it would fire.
any help would be appreciated, Thanks Guys