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01 ford crown vic has a skip after installation of used dorman intake manifold....?

car ran perfect before i replaced the part. maybe spark plugs or coil could be problem?

1 Answer

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  • JES
    Lv 6
    7 years ago
    Favourite answer

    Ran good before, and now doesn't. So its probably what you worked on. Have car running, and spray carb cleaner around gasket area of new intake. Also any fittings you messed with. If motor changes speed or different in any way while spraying, you have a bad seal job.

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