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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fuel pressure question

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Old Feb 20, 2012 | 07:46 PM
  #31  
Smittyloopster's Avatar
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Going to turn it down right NOW!!!!

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Ok set it at 20psi! Went for a little spin. Had the ADR set on level 5. WOT I seen 7psi. Will change filter tomorrow and I guess I am going to looking at that 1/2" line from filter to VP
 

Last edited by Smittyloopster; Feb 20, 2012 at 07:46 PM. Reason: Automerged Doublepost
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Old Feb 21, 2012 | 02:24 AM
  #32  
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Another thing on my strained in the tank it has a small hole in it but you have to buy the whole sending unit to get the strainer like I said it was clean tho and I even took some brake cleaner and cleaned the whole sender out. So I guess I'm asking is would that hole be that big of a deal? Because I don't wanna spend the 300$ if I don't need to. Thanks
 
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Old Feb 25, 2012 | 03:53 PM
  #33  
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Ok so I got it all back together tonight and went for a drive and it helped a little but not much idle is 20 and wide open is 10. Is it possible the raptor could be weak from the box? Even the guy who put it on said it shouldent drop more than just a couple psi. So next week I'm going to his shop to hook his gauge up to it and hopefully find out my gauge is wrong cause im about to pull my hair out

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Pretty sure we found the culprit today!!!! The fuel overflow valve. It now ideas at 20 and rarely see less than 15 so let's hope It keeps working like it should.
 

Last edited by cummin-atya; Feb 25, 2012 at 03:53 PM. Reason: Automerged Doublepost
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Old Feb 26, 2012 | 05:28 PM
  #34  
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Did you replace the fuel overflow valve? (I presume you are talking about the valve/return line where the only legitimate banjo connection remains??)
 
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Old Feb 26, 2012 | 05:43 PM
  #35  
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Ya that's the piece I replaced yesterday and it seems to be doing better idling at 20 and wot at 15
 
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