5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

fueling issue

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Old 05-11-2012, 09:06 PM
wyodiesel92's Avatar
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Default fueling issue

Well my airdog doesnt seem to be holding pressure well, cold temps itll idle at 19 to 20 and driving go down to 16 with minimal pedal, hot 16 to 17 idling 14 cruising and dropping to 11 wot. Also my pressures dont stay very steady, the sender is 6 inches from the vp. Doesnt seem to suck air just isnt keeping up amd seems like it might be by passing.

Another issue is i seem to be getting some slight hiccups while at wot. Not sure if maybe the vp or the airdog could be to blame for both or just separate issues.

Filters on the airdog only have 6000 on them also.
 
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Old 05-12-2012, 10:45 PM
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Old 05-14-2012, 08:35 PM
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Old 05-14-2012, 10:31 PM
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What gph is the pump rated and do you have a tuner or injectors?
 
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Old 05-15-2012, 12:17 AM
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Its in my sig....airdog 2 165gph, edge juice w att no injectors.

Never had this problem when i ran a raptor on my old truck. Starting to hate this airdog
 
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Old 05-15-2012, 12:58 PM
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Sorry I'm using my phone and it doesn't show Sig... But that 165 should keep up better than that I would think. My raptor falls the same psi as your pump does and its only 100 gph but it started to do the same thing yours did so I got a 200 gph pump now. I would try changing the filters it helped mine a lot when I did.
 
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