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6.4L Part Time Runs Bad
Posted to HD/Fleet Forum on 7/20/2020 14 Replies

Runs bad part time. Cycle key and might run good. Had codes P088, P0091, P2289. I replaced fuel rail pres. sensor and under rocker cover wire harness. Cleared codes and it ran good. Next morning went to back it out and back to runs bad. To keep it short-replac... Login to read more.

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car Vehicle Data

2008 Ford F-450 Super Duty XL 6.4L

VIN 1FDXF47R28
Engine6.4 L
Trans6-speed Standard

car Vehicle Data

2008 Ford F-450 Super Duty XL 6.4L

VIN 1FDXF47R28
Engine6.4 L
Trans6-speed Standard