Recent content by Bry72

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    Misfire!! 1991 mercury 175 hp O/B

    Cylinders 6,4,and 2 Replaced both switch boxes, spark plugs and fuel filter and lines. Would #2 and #4 coil be bad now? Help!
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    1991 mercury o/b ignition switch box

    Cylinders left to right, 6, 4, 2. Other side was all clean
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    Switch box

    From right to left, cylinders 2, 4, 6. Fuel filter was also replaced
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    Switch box

    1991 175 mercury black max I replaced fuel lines, spark plugs last week
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    1991 mercury o/b ignition switch box

    I replaced my ignition switch box’s with cheaper version, motor runs better but still have a misfire somewhere. Do I need to spend more money on switch box’s or look at something else that could be the cause?
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    Switch box

    1991 mercury o/b was told I had a switch box go out, replaced with a cheaper set, and Still have a miss fire. It runs better, but still has a rough idle. Did I screw up buying a cheaper set?
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