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I own a 150HPDI that has 40 hrs on a new rebuild.The rebuilder told me he reset the computer to allow the engine to double oil during breakin just like when new. My question is related to this double oil thing. Is the info I have been told accurate???One observation when winterizing was black oily plugs is this related to double oil or????Is it possible I am getting too much oil and how do I check???Thanks for your prompt reply...Barry
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