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    Double engine failure in ten minutes

    After a trouble free summer I had a double engine failure with my Mercruiser 3.0 efi engines. Both have 11:00 hours and are completely independent. They only have the boat in common. Both failures appear to be similar. No spark, fuel pump comes on and turns off as normal but plugs are dry...
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    2011 New 3.0 MFI with no spark mystery

    I am restoring a 22 ft Grew runabout. The original engines (3.0 Mercruiser 1965) were replaced with new Mercruiser 3.0 mfi units in 2011. These engines were never used as the restoration was ongoing. The port engine started and ran immediately. The starboard engine has resisted all attempts to...
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