1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

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  • ryanb
    • Aug 2008
    • 3



    1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

    I'm having serious issues with my 1998 Air Nautique. It has the following symptoms:

    1. It sometimes (not always) takes a good minute of cranking before it will turn over.
    2. Once started, it idles at very low rpms (400 or so), and then ends up dying if I don't continue to rev it in neutral.
    3. When I rev it, un-used gas ends up coming out the exhaust into the water.
    4. It has very little power out of the hull, but then it gets going and does fine at high speeds.

    My mechanic looked at it and thought it had water in the gas, but I've replaced the fuel seperator and even emptied it several times. I'm thinking I have issues with the carburetor. Any thoughts on what I need to do?
  • skijones
    • Mar 2005
    • 235

    • COLUMBUS OH

    • 1985 2001 1999 Snob

    #2
    RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

    Might be time for a rebuild. If you suspect you have had water in the system, you should pull to fuel bowels off each end to make sure they do not have water in them. Be carefull with the fuel in them.

    Comment

    • Bullet
      • Jan 2006
      • 293

      • Somewhere

      • 2016 SAN 210

      #3
      RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

      1998 5.8 should be fuel injected---no carb
      2008 SANTE 220 (current)
      2004 SANTE 210 (gone)
      1998 BAJA 252(gone)
      1998 MALUBU WAKESETTER LX(gone)
      2000 CARLSON (gone)
      1992 MC MARISTAR 240 (gone)
      1994 GLASTRON 175 (gone)

      Comment

      • ryanb
        • Aug 2008
        • 3



        #4
        RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

        Definitely has a carb. I think that EFI was still optional that year.

        Comment

        • Bullet
          • Jan 2006
          • 293

          • Somewhere

          • 2016 SAN 210

          #5
          RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

          i learn something new everyday!!
          2008 SANTE 220 (current)
          2004 SANTE 210 (gone)
          1998 BAJA 252(gone)
          1998 MALUBU WAKESETTER LX(gone)
          2000 CARLSON (gone)
          1992 MC MARISTAR 240 (gone)
          1994 GLASTRON 175 (gone)

          Comment

          • skijones
            • Mar 2005
            • 235

            • COLUMBUS OH

            • 1985 2001 1999 Snob

            #6
            RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

            I have a 99 with a carb. What was the last year for carbs?

            Comment

            • JUST-IN-TIME
              • Sep 2007
              • 293

              • ON YOUR BOAT


              #7
              RE: 1998 Air Nautique PCM 5.8 HO - Carburetor Issues?

              rebuild that carb

              HUMAN BUILT = HUMAN FIXED

              CERTIFIED MARINE/PWC TECHNICIAN
              switchbait.com

              Comment

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