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Re: 2010 Cummins ISC - DPF Outlet Over temp
Posted to HD/Fleet Forum on 10/2/2018


I ended up replacing all six injectors and the issue has been resolved. While replacing the injectors I also found four of my rocker arm shafts had started to gall and seize up. I have since done injectors on another bus with the same issue, and r... Login to read more.