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  1. #1
    Member
    Join Date
    Feb 2006
    Location
    Mazatlan
    Posts
    74

    Problem with engine.

    Hi. I'd appreciate any help with the following. Engine is a 1999 Mercury Optimax. Sometimes this light turns on when I turn the key. When the light is turned on and I'm coming out of the hole the speed goes down and if I hit the gas the engine sputters and loses power. As a side note, when the light turns on, if I put it in reverse the light turns off and the engine works ok going forward.
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    Last edited by Javier; 05-22-2022 at 08:14 AM.

  2. Mercury 3L/4 Stroke/Verado Moderator EuropeanAM's Avatar
    Join Date
    Apr 2008
    Location
    Greenville, SC (US)
    Posts
    95,253
    #2
    Engine HP and 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 47 years (learn something new every day).
    Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor

  3. Member lpugh's Avatar
    Join Date
    May 2009
    Location
    Sacramento Ca
    Posts
    5,202
    #3
    Disconnect the shift interrupt switch for test purposes. Suspect shift cable may be out of adjustment or a bad switch
    Thank You Leon Pugh