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  1. #1
    Member
    Join Date
    Jun 2004
    Location
    Fort Wayne IN
    Posts
    235

    Keep fouling plugs 05 200 efi?

    Motor keeps fouling plugs after about a month of use. All started after I ran the reserve tank which must have had bad gas in it. Fuel water separator had to be replaced and now the plugs or at least 1 seem to keep fouling. Boat don't get on plane. I change plugs and it's fine for about a month then acts up again. Same thing. Any ideas of what could be the issue?

  2. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    14,040
    #2
    regulator screen may need cleaned cause high fuel psi
    .................................................. ...the scariest thing in life is the unknown ...................................

  3. Member
    Join Date
    Jun 2004
    Location
    Fort Wayne IN
    Posts
    235
    #3
    Thanks how do you clean those screens?

  4. Member
    Join Date
    Jun 2013
    Location
    LONGVIEW TEXAS
    Posts
    14,040
    #4
    on an 05 efi reg should be on top of vst small hose goes to it screen is on back side spray it with carb cleaner and blow off good with compressed air/ works for me/ regulator could be sticking might wanna check fuel psi your mtr is 3.0L check in that section for more info also on it hope this helps JOE
    .................................................. ...the scariest thing in life is the unknown ...................................

  5. Member
    Join Date
    Sep 2005
    Location
    tucson, az.
    Posts
    1,993
    #5
    You also may have a leaky injector.