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2004 Ford Explorer Question: Code po301 knocking noise when starts



, Greensboro, NC, April 06, 2013, 19:36

there was some oil and water in the valve cover cap. I have blow by oil getting sucked in the intake manifold. Gas mileage plumage. Rings? cracked head? what should I do? Code po 301

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  • Answer #1

    April 06, 2013, 23:08

    Have compression checked on passenger side front cylinder. That spark plug should be wet when removed, is it?

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