Do you still have a 03 ficm? i know you said it has 48 volts but the 03 Ficm's can crap the bed on one or two injectors. Have you checked your harness's under the ficm for rubbing? They can give you injector issues aswell.
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19 F-350 6.7 Auto
16 F-350 6.7 Auto
05 Excursion 6.0, Auto, PHP Atlas 40 FICM, ARP Studs VXBC6(truck PCM)
00 F-350 7.3, 12 Speed, PHP Gryphon, PHP hydra, DAC3
95 F-Superduty 7.3 DI, Auto, Mechanics Truck
94 F-Superduty 7.3 DI, 5 speed, Flatbed
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