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

Engine dieing problem

   
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Old 01-09-2011, 09:32 PM
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Default Engine dieing problem
So I have a 98 with an automatic tranny, and I replaced my lift pump like 3 weeks ago. and ever since when I am in reverse and on the throtle and let off my truck dies. Any ideas what it might be??
 
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Old 01-10-2011, 10:26 AM
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Does it only do it when it's cold? Also, what's your idle speed at?
 
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Old 01-10-2011, 11:48 PM
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No does it warm or cold and only when i backing up hill. and it idles around 900 rpms
 
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Old 01-11-2011, 06:22 AM
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mine was doing the same thing. turned out my new lift pump was junk. you can put a gauge on it and see if it stays at 30psi.
 
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Old 01-11-2011, 10:36 PM
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I'll check that. I was thinking it might be something with my tranny
 
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