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what are symptoms of water in gas?

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  • what are symptoms of water in gas?

    New engine, ran great until i fueled at marina yesterday, today, after 2800 rpm , it stumbles rather badly, runs good at up to that, have checked prop. not bent. any suggestions? its a mpi 6.2 mercruiser sterndrive, bravo 2
    just started on its 2nd tank of gas, about 24 hours on motor
    first tank was from gas station, with boat on trailer, 2nd tank from marina

  • #2
    Re: what are symptoms of water in gas?

    Check the water separator for water.


    • #3
      Re: what are symptoms of water in gas?

      Dump a can of Sea Foam in it too...sounds like bad gas..

      1981 ChrisCraft 210 Scorpion K,175 Johnson SeaHorse


      • #4
        Sign up today
        Re: what are symptoms of water in gas?

        Don't start dumping a bunch of different remedies in a can in it till you find the problem.
        If it's water, contact the marina. They will have to foot the bill to get things fixed.
        Like mentioned, check the filter for water.
        Just remove it, dump the contents in a clear container and see if the water seperates and sits on the bottom. Note, It could be ALL water and hard to tell. But find out soon, the fuel injection system does not like to sit in water for very long.
        Don S.

        Please, no PM's (Private Messages) regarding boat/engine problems.
        That is what the forums are for.
        Only forum/moderator issues will be answered in PM's.