Recent content by Alabamangler

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    4.3 Mercruiser submerged - Perplexing problem

    The dealer showed it to be model number 42410PLUU which is a 4.3L Alpha MPI. How did you learn the hard way about the spark plugs? What were your symptoms?
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    4.3 Mercruiser submerged - Perplexing problem

    Woud this cooking occur if the engine wasn't running? It slipped off the end of a dock lift when a cable snapped. The trim pump appears to operating normally.
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    4.3 Mercruiser submerged - Perplexing problem

    Thanks for the response. It was submerged in fresh water for about 12 hours and was immediately serviced. The following items were replaced or performed at that time: Water drained Oil and filter replaced Starter replaced Alternator replaced Distributor Cap replaced Gas tank drained Water...
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    4.3 Mercruiser submerged - Perplexing problem

    Boat Background: 2018 Chaparral H20 Sport with 4.3 Mercruiser MPI ECT with 36 hours The rear of the boat was partially submerged in fresh water for approximately 12 hours in December 2022. It was immediately taken in for service where the following steps were taken, and parts were replaced: Oil...
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