5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

Fuel Pressure Readings

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Old Jul 20, 2009 | 08:06 AM
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From: Mother Nature, New
Default Fuel Pressure Readings

what is everyone getting for fuel pressure readings? I was getting around 10 when cruising and 5-8 psi under hard excelleration. I sent my adrenaline back (as did all beta testers) in to get the component added to my module and two or three nights after I installed it I was in bumper to bumper (which I am never in) and I started seeing over 20 psi while idleing. But when I started traveling again i was fine and withon my normal limits) and seems like after that I have been getting wacky readings. yesterday I was pulling some trees out of the brush and while it was idling I saw 48 PSi. This morning when I started it up first thing I saw 44psi. then while cruising it never got below 18psi.
is there a sensor issue or maybe a connection issue or a pump issue.
 
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Old Jul 20, 2009 | 08:24 AM
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i'd lean more towards the sensor/quad issue.... i highly doubt that a stock lift pump is capable of producing 18psi reliably let alone 48psi and still living to tell about it.....
 
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Old Jul 20, 2009 | 08:37 AM
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thats what i figured. I will poke around with it tonight.
 
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Old Jul 20, 2009 | 09:17 AM
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i would put a gauge on it before i would use the quad for pressure monitoring. Autometer, Isspro, Diprocal (sp) or even glow shift.... they have proven they work, and work reliably, time and time again....
 
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Old Jul 20, 2009 | 09:21 AM
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its part of the adrenaline so I didnt have a choice when beta testing.
 
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Old Jul 20, 2009 | 10:54 AM
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you could always run a gauge too so you can give them input on how acurate their sender is or isn't.
 
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Old Jul 20, 2009 | 03:36 PM
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I have never checked mine on the Adrenaline I use my fuel pressure on my pillar gauge that I already had installed. I never even thought about hooking the Adrenaline fuel pressure up
 
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Old Jul 20, 2009 | 07:56 PM
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Mine sits at 18 psi at idle, drops to about 13 WOT
 
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Old Aug 10, 2009 | 01:09 PM
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just an update.
The issue was intermittent. so I figured it had to be a wiring problem. So I checked the connection and was able to get the reading to move. I added dielectric grease to the plug and problem solved. I get about 8 at idle
 
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