Join Date: Jan 2008
Location: Sheridan, AR
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Very severe oil leak with no knocking
Please excuse me for not looking into this further so far, I am trying to get to a starting point on this oil leak. This happened within an hour of fixing the last truck my father in law tore up after getting off this morning after a 12 hour shift...
The truck is a '02 F-250 SD w/ Superchip on Hi Perf setting (37" tires)... I'm not really familiar with the Powerstroke as this is my first Ford and I married into it. I have worked on 4-71 Detroits for about 10 years but in a totally different application than a truck.
The truck was driving down the interstate at at least 70 MPH, when it cut off and father in law found an oil leak. It would not restart. He added more oil, it started then quit and would not restart. It does not knock at all. It will turn over, but every other compression stroke it sounds like it's backfiring through the intake. There is no fuel smell in the oil and I haven't located the leak yet...
My first guess is a busted ring, does this sound about right?
Thank you for your time and input.