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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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  #11  
Old 03-01-2008, 08:09 PM
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When my ECM Went out on me the Temp Gauge Peged and it kept going in and out of limp mode
 
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  #12  
Old 03-01-2008, 08:10 PM
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does it with our with out box on.
 
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  #13  
Old 03-01-2008, 08:11 PM
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Turned off or Un Hooked ?
 
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  #14  
Old 03-01-2008, 08:12 PM
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Unhooked completely!
 
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Old 03-01-2008, 08:13 PM
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Check your under the hood Fuse box also

Its got to be something simple
 
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  #16  
Old 03-01-2008, 08:17 PM
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Trust me DM i have been all over it, its been down for a couple months, i am at my wits end with it now!
 
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  #17  
Old 03-01-2008, 08:18 PM
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Originally Posted by Diesel Dummy
Ok i should have calrified, i have excellent FP,no codes now, changed vp as i had the 0216 before, got good used one but no change so i figured it was bad also so i got a brand new one still same issue, i can tow it and it will run as normal. Just wondering if ECM or a crank or cam sensor can cause this. DD

You can have normal FP but no fuel being delivered if the internal bypass is worn out on your LP. I fought this one myself. The rotors were turnin but nothin was being pushed.
 
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  #18  
Old 03-01-2008, 08:23 PM
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I have a holly blue with no factory lift pump, this is what i thought, took off filter lid pump fills with no problem, so pump is pumping great.
 
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Old 03-01-2008, 08:30 PM
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Any chance you may have tightened the injector tubes down to tight when you re-installed them. These tubes will crush pretty easy and make for a bad seal. I know on my 99 they were intended to be disposable and replaced anytime you pulled a supply tube.
 
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  #20  
Old 03-01-2008, 08:34 PM
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A Stretch But i bet your willing to try anything , So Here it goes ..

Run a Set of Jumper cables from the Negative Battery Terminal to your Engine Lift Hook to ensure the Engine is Grounded Really Good , Then Stick a 12V supply on the Positive of the Fuel Pump then try to start it

Maybe when your Cranking and the AMP draw hits the Batteries it slows the pump down Or you have a bad ground ..

Time to try anything
 
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