24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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24 Valve misfire? Help!

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Old May 8, 2008 | 09:31 PM
  #11  
Timmay's Avatar
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Well, I replaced the injectors. Same problem. Anyone else? I'm thinking it might be a partially plugged injector line. If it's not that then it has to be the VP.
 
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Old May 9, 2008 | 05:22 PM
  #12  
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Fuel filter maybe?
 
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Old May 9, 2008 | 05:27 PM
  #13  
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You can pull the VP and take it to any Authorized Bosch shop and they can test it on the bench to tell you if it's bad or not. I sure would check that valve though. There's another guy in the help section that just found out it was the cause of his problems.
 
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Old May 12, 2008 | 10:07 PM
  #14  
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Yep, I just saw that. I looked at it and saw it to be nice and shiny. I also looked in my hardware bin and found the old one, so it was definitly replaced.

I also replaced the IAT and CKS and the same misfire is there. The codes have been cleared and there is nothing coming back after driving.
 
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