1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

R my injectors bad??????

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  #1  
Old 10-17-2010 | 08:54 PM
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Default R my injectors bad??????

Okay ive done everything, my timing is set right i bleed all my lines out right and the truck will still not run. i have the return line ran into a jug and it keeps filling up so i think my injectors are cloged or bad is there a way to clean them and check them or do you think it is something else. thanks .
 
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Old 10-17-2010 | 09:05 PM
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is this on a VE pump or a P-Pump?

looking at your sig looks like you have a P-pump?
 
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Old 10-17-2010 | 09:27 PM
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it the 91 its a VE
 
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Old 10-17-2010 | 11:41 PM
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Well dont I feel like a jack *** I only read 2001 dodge reg cab half ton 4x4 with 91 non/ic cummins droped in with a automatic.

unless there ALL bad it should at least try to start hows the compression?
 
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Old 10-18-2010 | 07:43 AM
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Well before I got the truck they where all left for a while with injector line off. The motor will start with a little started fluid so I don't no if it would be compression.
 
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Old 10-18-2010 | 03:57 PM
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Crack the lines at the injectors and see if fuel comes out the line when you crank it.
 
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Old 10-18-2010 | 05:32 PM
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Ya fuel comes out the lines. I bleed them all the fuel will apart out pretty hard.
 
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Old 10-18-2010 | 07:20 PM
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Need to start from the beginning what have you done to it.
 
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Old 10-18-2010 | 07:34 PM
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ive done everything i can think of the timing is set and there is fuel going to the lines, but it will not start with out starter fuild and then wont keep running. my return line is ran to a jug for now and fills up really fast when im trying to start it so im thinking its the injectors, but i dont know how to check them.
 
  #10  
Old 10-18-2010 | 09:56 PM
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you can take the injectors to an injector shop and have them test them or you can take them out and put them back on the lines and turn the motor over and see if fuel comes out but put do this one at a time and put a piece of paper a couple od inches under the injector tip the fuel should spray a star patern on the paper if it dosent or no fuel comes out the injectors are bad
 


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