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-   -   Fuel in oil (https://www.dieselbombers.com/1st-generation-dodge-cummins-89-93/81356-fuel-oil.html)

cumminsblazer 08-15-2011 11:34 PM

Fuel in oil
 
I think I got fuel in my oil cause my oil level went up and it smells like fuel what's everyone's input on this ????:humm:

sweetv8s10 08-16-2011 12:49 AM

Maybe your lift pump is leaking.

cumminsblazer 08-16-2011 12:59 AM

oh ya didnt think of that what about the injection pump could it be that too???

BC847 08-16-2011 07:50 AM

If you're still running the stock/OEM diaphragm type lift-pump, it's time to replace it. ;)

Generally, the only route for the IP to dump fuel into the crankcase is by way of the main pump-shaft seal. From what I can tell, the only way to pop that might be with a very high inlet feed pressure.

cumminsblazer 08-16-2011 08:10 PM

Ok good to know I bet it is the lift pump then


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