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Cummins L10 wont start.

22K views 7 replies 6 participants last post by  Johnp3 
#1 ·
I have a 93' KW with an L10. I parked the truck on a Friday and put the batteries on charge. Monday morning I tried to start it and it wouldn't try to start at all just crank. I have checked all the fuel lines, good pressure goin into the head but it does drain the filter half empty when trying to start. I am leaning towards the ECM being the cause. Any help would be appreciated.
 
#2 ·
have you checked your fuel shutoff solenoid
had a similar problem with one at work it ended up the solenoid went out
not sure on yours but ours has a manual valve next to the solenoid on top rear of the pump if you screw it in all the way it bypasses the valve and you can start it but you cant shut it down without screwing it back out
 
#8 ·
When you put the batteries on charge it was a regulated charger?
If you over voltage the ECM you can kill it. Check the power wires to the ECM. and the ground fuse if equipped on the ECM mounting.
 
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