12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

truck not starting

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Old 05-14-2010, 11:31 PM
tltruckparts's Avatar
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Default truck not starting

alright guys well i just got done with my p pump swap today when my injectors got here and went to fire it up and it wont start. i know how to bleed injectors yada yada yada but i got a few questions.

first off i dont have the shut down solenoid on it i havent had time to wire it up, does the peg it rides on need to be up or down in order to run.

regardless though with the injector lines cracked, they just dont seem to be squirting the fuel like they should. fuel is barely coming out of the lines unlike my ve pump when i bled those theyd fling fuel across the engine bay. i have tried with the shut off solenoid lever both up and down it just doesnt seem to be injecting like it should.

i have an air dog II with a 1/2" line going in and i know fuel isnt a problem.

anyone know what might cause this problem? is there something that needs to be done that im missing? thanks
 
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Old 05-15-2010, 12:04 AM
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Any idea what FP is going into the pump? And the SD Solenoid needs to be pulled up. Is the pump new or used?
 
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Old 05-15-2010, 07:12 AM
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are you sure you set your timing right? I know I have made the mistake of being 180* out of time before.

Have you tried giving it some throttle while cranking? everytime I have to rebleed my injectors it crank it while holding 1/2 throttle.
 
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Old 05-15-2010, 07:50 AM
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Originally Posted by xzaq103
Any idea what FP is going into the pump? And the SD Solenoid needs to be pulled up. Is the pump new or used?
it is used. fuel pressure is at 25 psi for now

Originally Posted by 94 12valve
are you sure you set your timing right? I know I have made the mistake of being 180* out of time before.

Have you tried giving it some throttle while cranking? everytime I have to rebleed my injectors it crank it while holding 1/2 throttle.
im pretty sure i did. it was my first time doing it but followed the directions like a hawk. and the front cover was off so i could see all the marks on everything too so im pretty sure i did it right.

didnt try giving it any throttle.

i dont think timing is an issue at least not for now though because its not even firing enough fuel for it to run in the first place
 
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