Oil in Spark plug tube

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08-01-2024, 07:41 AM

leo1963

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Oil in Spark plug tube

I have 2007 4.6 f 150 found oil driver side plugs Cyl 8 and 6 everything else is dry any suggestions?

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08-01-2024, 10:19 AM

glc

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Most likely the valve cover gasket and/or loose valve cover bolts.

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