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  1. #1
    Moderator wvbassmaster's Avatar
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    2003 mercury 225 efi 3.0 elevation issues

    seems like when i get in higher elevations my engine does not want to run as well.not so much top end it is on the bottom end.sluggish and idle's rough.anyone else have these issue's?

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #2

    Re: 2003 mercury 225 efi 3.0 elevation issues (wvbassmaster)

    Engine Serial Number?



    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
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  3. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
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    #3

    Re: 2003 mercury 225 efi 3.0 elevation issues (wvbassmaster)

    You MAY be slightly overpropped... depending on how high "higher elevations" is.



    Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
    Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

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