Join Date: Jun 2013
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It happened to me about a month ago. Ford said it was fine other than the update to the computer, but I'm running spartan tunes. Took it to the local diesel mechanic who tested the injectors and checked the wiring harnesses - said it was the pump going bad.
New pump (oem), new low pressure pump, had him add AirDog and headstuds while he was in there. Also new oil cooler, thermostats, simple stuff to do while it was apart. Not a cheap repair.
2008 F350 Regular cab 6.4L spartan tuned, EGR delete, DPF delete, 5" AFE turboback, AFE Stage II Intake, AirDog, ARP