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Re: 6.7 Cummins P026b(Injection Timing Performance)
Posted to HD/Fleet Forum on 3/7/2019 3 Replies

There is a TSB 14-001-14 rev B that references an issue with the heater in the rear fuel filter not being setup in the body control module. Without this heater, the filter could cause a restriction even without gelling. Does this happen only when ambient tempe... Login to read more.

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