Fuel Pump and Filter Questions

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  • Skidave
    Senior Member of PLANETNAUTIQUE
    • May 2005
    • 697

    • York, PA

    • 2003 Air 206 Team Sold: 1979 Ski Nautique (Brown!)
    #1

    Fuel Pump and Filter Questions

    I had some issues at the very end of the season with one of the fuel pumps (2003 Excalibur 330). The 20 Amp fuse blew for the fuel pumps. I didn't think much of it because there was no issue before the fuse blew and after I changed it everything was fine. I work on electronics for a living, so I troubleshot everything, but couldn't find issues. Last day of the season, was out for about 4 hours. Dropped off at dock, turned around to head back out and upon throttle up, the boat died. It would crank and stumble and try to run. Seemed like it had no fuel. The next morning, turned over and idled fine in the garage. So I'm thinking one of the pumps is on it's way out. I plan to replace both and not mess around with troubleshooting a dead boat on a family outing.

    Two questions:

    The fuel pumps are from Carter. I believe I have a part number direct from Carter for the low pressure pump. There was an old # that crosses to a new number. Not that I don't want to support our sponsors or other inboard parts suppliers, but it is much cheaper elsewhere. Anyone have experience with this?

    Second, anyone ever put a pre-filter [fuel filter] inline just before the low pressure pump? I thought it would be a good idea, but maybe overkill. This would be a throw away inline filter that could prevent anything from getting into the pumps.

    Thanks!
    Tags: None
  • Quinner
    1,000 Post Club Member
    • Apr 2004
    • 2245

    • Unknown

    • Correct Crafts
    #2
    I would bet it is your low pressure pump. Pulling your lanyard also disables the fuel pumps, be sure that it was fully engaged. Curious what the part numbers are for Carter pumps. Do they have the same electrical connection or will you need to modify it?? Have wondered about the pre-filter myself, some years have them stock while others do not??

    Comment

    • Skidave
      Senior Member of PLANETNAUTIQUE
      • May 2005
      • 697

      • York, PA

      • 2003 Air 206 Team Sold: 1979 Ski Nautique (Brown!)
      #3
      Here is the information right from Carter's website (you cannot click on the more where the application summary is listed). Also the picture is generic for the whole line of these types of pumps.
      1. Home
      2. Part Details
      Carter P4594 Electric Fuel Pump


      Manufacturer Website: http://carter.opticatonline.com/
      Brand: Carter
      Part Number: P4594
      UPC: 00724956024742
      Part Type: Electric Fuel Pump Manufacturer SpecificationsCarter P4594

      Item

      AAIA Brand ID BCQS
      AAIA Brand Label Carter
      Part Number P4594
      Part Type Air and Fuel Delivery > Fuel Pumps and Related Components > Electric Fuel Pump
      GTIN 00724956024742
      Is Hazardous Material No
      Has ACES Applications No
      Item Quantity Size 1.0 Each
      Quantity Per Application 1 Each
      Minimum Order Quantity 1 Each
      Description

      Product Description - Abbreviated (EN) FPIL
      Product Description – Short (EN) ELECTRICAL FUEL PUMP
      Product Description - Invoice (EN) Fuel Pump - Electric In Line
      AAIA Part Type Description (EN) Electric Fuel Pump
      Product Description – Long (EN) Fuel Pump - Electric In Line
      Application Summary (EN) Hardin Marine 454/7.4L 1992-93; Idmar Marine 454/7.4L 1992-93; Kem Equipment Inc. 454/7.4L 1992-93; Marine Power 454/7.4L 1992-93; Panther Marine 454/7.4L 1992-93; Pleasure Craft 454/7.4L, 502/8.2L 1992-93; (More)

      Comment

      • gary s
        • Mar 2015
        • 333

        • Algonquin IL

        • 1969 Mustang SS, 1995 Nautique SS, 1978 Shamrock 20, 1988 Shamrock 170
        #4
        If you look at that pump above, P4594, it says in the last line that it is for big blocks. Check out the Carter P 4389,it has the same spec's as the original PCM part. Don't know about the Chevy's Mr Q but the older Fords plugs don't match anyway. N3 replaced mine when I bought it,they cut the plugs off and spliced it together

        Comment

        • MI-Nick
          • Oct 2011
          • 54

          • Ypsilanti, MI

          #5
          I put an inline filter on my '99 SAN with GT40 about 4 years ago after LP pump failure (pump was full of debris)...no issues.

          Comment

          • Skidave
            Senior Member of PLANETNAUTIQUE
            • May 2005
            • 697

            • York, PA

            • 2003 Air 206 Team Sold: 1979 Ski Nautique (Brown!)
            #6
            Thanks for that info about the fuel filter.

            I talked to Carter some more about the pump models and then found a few filter choices on the Holley website.

            I'm gearing up for a project after the holidays. I think I'm going to replace the lines to and from the tank with newer hose that is more robust for ethanol fuel while I'm in there.

            Sent from my SM-J320V using Tapatalk

            Comment

            • Duckman1
              • May 2018
              • 18

              • Alabama

              • 1997 Super Sport Nautique
              #7
              Skidave what did you find out about the Carter fuel pump? I’m in need of a LP fuel pump for my gt40 and was curious if the Carter 4594 would work.

              Comment

              • Skidave
                Senior Member of PLANETNAUTIQUE
                • May 2005
                • 697

                • York, PA

                • 2003 Air 206 Team Sold: 1979 Ski Nautique (Brown!)
                #8
                I went with a Carter 4389 and just pirchased it from rockauto.com

                I also replaced my high pressure pump and filter at the same time. I added an inline filter before the LP pump.

                HP pump from Discount Inboard Marine part RA080025A, filter kit for the FCC and inline filter RA80024A.

                No issues since...

                Sent from my SM-J337V using Tapatalk

                Comment

                • CTZ1985
                  • Jul 2019
                  • 3

                  • Illinois

                  • 2005 210 SAN
                  #9
                  I recently installed the carter low pressure pump on my 2005 SAN. It ran great for a short test fire there after...The next day it died soon after leaving the dock. Now it will only fire and run for 2-3 seconds.

                  does the pump take some time to prime? or is it safe to say the pump is not getting power?

                  Any help here would be appreciated

                  Thanks

                  -CTZ

                  Comment

                  • gun-driver
                    • Apr 2011
                    • 132

                    • Pittsburgh Pa

                    • 1985 Ski Nautique 2000 Sport Nautique
                    #10
                    https://www.summitracing.com/parts/crt-p4389

                    Comment

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