Check Engine Light came on
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mine throws that code too when i turn on the defueling setting on my bullydog. i think the computer is sensing a change in fuel rail pressure cuz your computer is telling it to send more fuel than the stock fuel pump can keep up with. i wouldn't worry about it too much if you keep it off the floor, but might want to look into a aftermarket fuel pump to be safe.
#16
My 04.5 threw a code at me and began acting up. It was kind of random at first but got worse. It would cough and sputter and smoke like hell at startup and die half the time. Sometimes die after restart ot need to be cranked a lot. I replaced the fuel filer and the problem got better but persisted to a lesser degree. The problem went away in a couple weeks after that. I had just bought the truck and the previous owner didnt maintain it like he said he did, filter was black
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burndiesel
24 Valve 2nd Gen Dodge Cummins 98.5-02
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02-07-2023 01:15 AM