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Thanks. Went through most of that thread.
Prior to doing anything I ran a KOEO Self-Test. Came back successful.
Also performed a KOEO Injector Buzz Test. Came back successful.
Going through the thread here is what I found:
FICM - 47.5-48VDC - GOOD
Batteries - 11.63VDC - Both are less than a month old.
Low Oil Pressure - Dash Gauge registers oil pressure after 4-5 seconds of cranking.
High Pressure Oil only gets to mid-400 PSI during cranking with the IPR at 84.77%.
Changed the oil just to be sure all is well. Same issue.
I had planned on removing the heads to have them gone through as I suspect a bad head-gasket. While its apart should I just replace the HPOP and IPR valve along will new o-rings on the HPO system?
Or could there be another issue that wouldn't be fixed with all that?
ICP sensor was replaced last summer and appears to functioning since I am getting accurate readings with the AE and the CTS.
2004 F350 Lariat FX4 CrewCab Longbed
4" TB Exhaust w/gutted cat and no muffler
ARP Head Studs
Diesel Site Coolant Filter Kit
SCT Livewire w/ Looney Wild Tune
Edge Insight CTS w/EGT
6.4 Banjo Bolts
Upgraded Turbo Oil Feed and Return
Last edited by steed281; 03-30-2013 at 01:39 PM.