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2003 cummins new injector problem #1438863
05/19/13 02:47 PM
05/19/13 02:47 PM
Joined: Feb 2012
Posts: 17
glendale , Arizona usa
kb7obj Offline OP
member
kb7obj  Offline OP
member

Joined: Feb 2012
Posts: 17
glendale , Arizona usa
I just had rocky mountain cummins replace all 6 injectors.I had them do an overhead . I replaced the actuator valve on the back of the injector pump. I now start the truck in the morning and it misses / ruff idle until i step on the throttle to clear out the motor . anyone have any suggestions? Do i have an other bad injector? other then that it runs excellent with more power over the old injectors. I have 184 k on the motor.

Re: 2003 cummins new injector problem [Re: kb7obj] #1438864
05/19/13 11:00 PM
05/19/13 11:00 PM
Joined: Oct 2003
Posts: 3,688
Alexandria,La.
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BigTerry Offline
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BigTerry  Offline
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Joined: Oct 2003
Posts: 3,688
Alexandria,La.
it make not be a injector... have you check to see if it sucking air? check to see how much psi the pumps putting out? did you reset your computer and let it recalibrate before starting.. just some ideas...

Re: 2003 cummins new injector problem [Re: kb7obj] #1438865
05/19/13 11:27 PM
05/19/13 11:27 PM
Joined: Mar 2011
Posts: 147
Kansas
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cascius Offline
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cascius  Offline
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Joined: Mar 2011
Posts: 147
Kansas
Put your old FCA (fuel control actuator) back on the pump and see if it changes anything. After it runs will it idle ok or does it still run rough at idle?







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