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Cummins ISM rough running - Printable Version

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Cummins ISM rough running - HFFT - 01-04-2020

I have a 2006 ISM running on cylinders 2&6 only. Getting voltage from 9 to 16 volts through injector harness. Injectors ohm ok and complete overhead ran. New turbo, alternator, engine position sensor and bench tested ECM at Kenworth dealer off of the truck. I have no accelerator pedal response and no pressure on oil pressure gauge but I am getting oil to top of engine. Anyone seen this or got thoughts?


RE: Cummins ISM rough running - tree98 - 01-04-2020

Any codes?


RE: Cummins ISM rough running - Signature620 - 01-05-2020

ISMs often misfire because of a faulty ECM but they usually have an active injector driver fault at the time.

Does it have oil pressure related faults?