hv_user
Guest
Do any lights come on on the engine diagnosticIJYou will need to get cummins out to put there laptop on it I think.
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Combines Hard Starting 8780XP w QSC Cummins
lbran
Guest
If you are referring to the monitor in the cab, all lights work. The check engine light is on also.
hv_user
Guest
If the check engine light is on you need to have Cummins put there laptop on it and it should tell you whats wrong. good luck
8780xp
Guest
I know exactly whats wrong. Cummins just got done fixing mine about 4 weeks ago with the same symptoms. It is a control module on your injection pump. Costs about $700. Fair amount of labor involved too, as they have to disassemble air lines and the pump to change. I had about $900 in labor here in NC WI. hope things turn out OK for ya. Good luck.