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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...
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...