My 1984 6.9 has an electric fuel pump in line to prime the system after changing filters or getting air intrusion from sitting too long. I have owned the truck for 25 years and have put several in after the first died a dozen or so years in. Each new one last less long than the previous and...
I have a 1984 6.9 and when it is hot, it won't shut off. It has a turbo cool-down thing that is supposed to keep the engine running until the EGT drops below a certain level so I first thought it was that but its electrical and the beast kept running even after I disconnected all the wires to...
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