Join Date: Aug 2010
Location: Sassamansville, Pa
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Just because the batteries are only a year old, don't mean that they are good. Why do you think they offer warranties on automotive batteries. Your gonna need to have them checked individually. As already mentioned, check your FICM voltage.
How's your fuel psi? Do you have a good scan tool for sensor readings?
What brand oil filter and fuel filters are you using?
You can go over this link to start diagnose your issue.
2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB