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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Fuel in oil

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Old Sep 9, 2010 | 11:29 AM
  #1  
01trailerpuller's Avatar
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Default Fuel in oil

I swapped injectors on my truck. I went from RV275(40hp) to a set of 150hps. Fired it up no problems, drove it, only smoked when I put my foot into it. Idel was great. Not even a lope. So to when to go to my sister's 60 miles away. I started loosing oil pressure. It got down to about 20psi at 65mph. When I got to my sisters I pulled the dip stick the oil ran like water and wreaked of diesel. So I ran home the whole while my oil pressure was 14 to 18 psi. I got home and let it sit over night to cool so I could pull the injectors and check them. Before I pulled off the valve cover I decided to empty the oil while I was checking the injectors. I put a 5 gallon bucket under it and let it out (what I had lying around). I went through every injector and the injector connections tubes. Seals looked good and so did the tubes. When I was done doing the injectors I went to bring out the bucket it was an inch from the top. So in 120 miles I was able to put roughly 2.5 gallons of fuel in my oil. I refilled the oil changed filter and ran it another 30 miles to check it, it was still putting fuel in oil. I don't get it was still running fine. Any suggestions? Also I am having the injectors retested.
 

Last edited by 01trailerpuller; Sep 9, 2010 at 11:57 PM.
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Old Sep 9, 2010 | 11:01 PM
  #2  
DanLowe's Avatar
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My buddies 99 did the same thing with factory injectors, come to find out, it was the injector seals the shop told him.
 
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Old Sep 9, 2010 | 11:51 PM
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01trailerpuller's Avatar
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Which seals?
 
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Old Sep 10, 2010 | 12:12 AM
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biged681985's Avatar
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u need a new set of injectors. where did u get these from. u need to send them back and have them send u a new set.
 
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Old Sep 10, 2010 | 12:17 AM
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01trailerpuller's Avatar
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I am having them pop tested to be sure. I just wanted to find out if it really was that and I wanted to make sure that I was not going to get any more surprises.
 
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Old Sep 10, 2010 | 01:27 AM
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Hmmm strange.Im spit balling here but Did all the coppers come out of the injector holes? Whos injectors? Id send em back
 
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Old Sep 10, 2010 | 04:09 AM
  #7  
01trailerpuller's Avatar
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Double checked the coppers. I will send them back if the pop test comes back bad.
 
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Old Sep 10, 2010 | 01:29 PM
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Farmboy 2.0's Avatar
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You might have a connecting tube thats not lined up properly is my second guess after talking with my other dodge tech.
 
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Old Sep 10, 2010 | 08:48 PM
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Thanks I will check that out. Any other ideas?
 
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Old Sep 11, 2010 | 09:02 PM
  #10  
Diesel Dawgs Performance's Avatar
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Default Re: Fuel in oil

Connecting tubes are bad for this

Sent from my DROID2 using Tapatalk
 
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