how to check if fuel is in my oil? - Dodge Cummins Diesel Forum

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Old 06-16-2011, 07:14 PM   #1 (permalink)
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how to check if fuel is in my oil?

I was wondering how to check if fuel was in my oil? could I get some pics too please. Thanks.
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Old 06-16-2011, 07:21 PM   #2 (permalink)
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Pull the dipstick and smell it. If you smell diesel then there's fuel in the oil. Also, if the level is way overfull then there's likely fuel in it...
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Old 06-17-2011, 04:41 AM   #3 (permalink)
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clean piece of white paper put a drop of oil out your engine on the paper a drop of clean oil and a drop of fuel the the fuel in your oil will make a lighter ring around the dark oil spot the other drops clean oil and fuel are just to help u compare what u are seeing
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Old 06-17-2011, 04:56 AM   #4 (permalink)
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oil analysis test labs.
ask your local big rig CAT and Cummins shops where they send oil samples for testing.
most large cities have at least one lab.
pick a close lab to cut down mail ship time.
about $20 for basic test includes fuel in oil results.
many email and present the result online, saving access time.

don't want more than 2% in a Cummins HPCR.
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Last edited by steelhead01; 06-17-2011 at 05:03 AM.
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