I Like Shiny Things :)
Join Date: Jan 2013
Location: La Grande, Oregon
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Sub'bed in on this.....still seems like it could be FICM to me.....even though the voltage is correct, something could be going TU in the logic board and the FICM wouldn't be giving the correct commands to the injectors. Which would make sense with the odd injector codes.....90% of the time they don't bounce around like that (1&7, then 3, then 1&5). Did you see the other truck run with the borrowed FICM?
Try giving the guys at ficmrepair.com a call and see what they say....they might be able to tell you over the phone by your symptoms if it's going out, or you might have to send it in.
2005 King Ranch F-350: Studded and O-Ringed, BPD Oil Bypass, Stage 1.75 KC Turbo, ODAWG Ported Manifold, 4" TB Exhaust, Stage 2 AFE Intake, Billet Torque Converter, BPD 58V FICM, Atlas 40
2.5" Leveling Kit, 35s, Fusion Bumper, ProTech Headache Rack, OnBoard Air, and a custom tailgate in the works