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

Fuel Pressure Question

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  #11  
Old 03-05-2009, 11:59 PM
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thanks again for everything but just to be sure you don't think there's any reason to be worried with only a 16 psi reading at 2000 rpm along with this i notice the gauge at only 3 to 5 pounds when i'm on it hard
 
  #12  
Old 03-06-2009, 12:01 AM
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i know with mine my psi drops the higher i get into it, is your s 5sp or auto, 16 at 2000rpm is a bit risky, i think im at almost 30psi at 2000rpm, its been about a month since ive driven my truck though becasue of the rebuild
 
  #13  
Old 03-06-2009, 12:04 AM
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it a 5 spd manual and thats what i was originally asking any ideas why its that low
 
  #14  
Old 03-06-2009, 12:06 AM
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maybe change the fuel filter and check the preheater screen for crap
 
  #15  
Old 03-06-2009, 12:10 AM
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thanks that was on the agenda anyways i'll let ya know how it looks after that
 
  #16  
Old 03-06-2009, 12:12 AM
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ya definatly post back up the nice thing about the p-7100 is that it is lubricated by engine oil rather than diesel like the vp-44 so if get runs low on diesel it wont kill the pump, ive ran mine completly dry about 8 times since ive owned it
 
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