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Old 06-28-2015, 03:56 PM   #1
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Diesel Fuel in the OIL

Diesel Fuel in the OIL. We have had this chat before. I have learned a lot since. Most all agree it is a problem with the injector pump. Engine is a Cummins 8.3 - 1995, with 97,000 miles. Pump is Bosch 392.2425 RX (Recon) Has anyone had actual first hand experience with this?
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Old 06-28-2015, 04:55 PM   #2
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fuel in oil

I dont know your exact pump but when my M11 did that it was the front pump seal had to pull the pump and drive gear to replace not a 2 min job Good luck Mike
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Old 06-28-2015, 07:53 PM   #3
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Have you checked the lift pump? It is above the starter. It's not an expensive item, and it can be a cause of fuel leaking into the engine oil.

Jim
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Old 06-29-2015, 10:23 AM   #4
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You probably have a o ring on a injecter that is no good and letting diesel in your oil
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Old 07-19-2015, 05:36 PM   #5
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fuel injectors

A bad fuel injector will dump raw fuel into the oil. Usually it will be noticed as a miss in the engine much as a bad spark plug in a gasser. If this is the case don`t drive it as the oil becomes diluted and will burn up everything.
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