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Fuel in oil

  

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Scotty,

I have a 1992 dodge 250 diesel with a 5.9 Cummins engine.  I have diesel fuel getting into the oil and causing a loss of oil pressure.

where is the problem.  I have replaced the seal on the injection pump and that was no remedy. Where else could my problem be?

thanks

craig


1 Answer
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Posted by: @fiddleplayer7

where is the problem.  I have replaced the seal on the injection pump and that was no remedy. Where else could my problem be?

Your engine might just be worn out. The only thing that stops the fuel from mixing with the oil are the piston rings. The fuel and motor oil are completely separate systems, and they only mix when it's time for combustion to happen. 


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