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Old 11-29-2020, 08:40 PM   #15
doug.nichols
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Join Date: Apr 2015
Location: Olga, WA
Posts: 184
Default Re: Black spark plug ooze

Thanks all. The black ooze seems to have burned off and has not yet returned. I will install new plug gaskets anyway when they arrive. As for the knock, I think I will pull the pan and see what a novice can see.
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