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

90 12 Valve no start

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Old Jan 30, 2011 | 08:43 AM
  #11  
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Sorry yes i do, still new to the game.
 
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Old Jan 30, 2011 | 08:46 AM
  #12  
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its alright buddy. we are here to help. you can put a 7100 on there but it will cost you more. you need some other stuff to make it work.
 
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Old Jan 30, 2011 | 09:20 AM
  #13  
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Then i guess i should stick with the stock pump!
 
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Old Jan 30, 2011 | 11:56 AM
  #14  
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Did you ever look to see if the key was still in the pump timing gear?
Have you also tried to see if it would at least fire off with a quick shot of starting fluid?

You might also want to consider a new mechanic.

Mark.
 
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Old Jan 30, 2011 | 12:18 PM
  #15  
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It also dosent have a timing chain
 
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Old Jan 30, 2011 | 02:07 PM
  #16  
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Yes the key is still in the timing gear. It would start and then die when starting fluid was used. I wasn't present for that. As for the mech, he is a good one and has done a good amount of work with cummins. This one just has his number i guess. Again, sorry used to deal with small block chevys, Timing chain cover, timing gear cover... all the same for me.
 
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Old Jan 30, 2011 | 06:57 PM
  #17  
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typically white smoke indicates that your pump is out of time. your definately getting some combution because there is black smoke. definately check for a restriction in you intake. sorry i cant be more help but i hope you get it figured out
 
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Old Jan 30, 2011 | 07:05 PM
  #18  
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Could it possibly be some valves stuck closed or open on the valvetrain. Not sure but it might be a good idea to check. Just pull the valve covers off and spin the motor over and make sure all the valves are opening and closing as they should be.
 
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Old Jan 30, 2011 | 08:48 PM
  #19  
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I will pass the info along to him and see what he thinks. I hate to buy a new pump but we replaced alot of stuff so far and we are running out of things to replace....

Chris
 
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Old Jan 31, 2011 | 01:13 PM
  #20  
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yea check out the valve train. lets hope not but i guess you could possibly have a broken cam
 
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