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  1. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Got it. I'll start there. Thank you, again.
  2. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Took the boat out to the lake for a shake down with fuel pressure gauge. I have fuel pressure at over 40 at idle, from the hole shot she wants to bog down. Pressure slightly dips to about 35 but comes right back up. She idles good sometimes and like **** other times. Ran about 15 gal of fresh...
  3. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Mr alldodge. Wow! I by bypassed LP pump with a hose as suggested and have 40ish psi almost instantly! I will check my wiring.
  4. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    It is kit is from "emp" I just got off their website I thought it was quicksilver. It appears to be theirs but says it replaces the merc part number Mercury 8M0125852 | 861156A03. I'm not getting fuel to Schrader valve, just air. I may go buy another gauge but this one was brand new. Also on...
  5. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Me again! Correct regulator installed, correct hpfp installed. Can't get above 20 psi with many k.o cycles. Pressure holds steady when it does get there. Thoughts? Bad fuel pump out of the box from quicksilver? Pump/cooler kit installed Fuel Cooler & Pump Kit | EMP 1397-97004 SKU...
  6. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Didn't even know by serial was an option. I Learn new stuff everyday!
  7. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    No I ordered what I thought was a 43 psi reg from this iboats
  8. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    So I have now installed the new fpr. Key on engine off I can only make 24psi. I am sure I have the correct fuel pumps and the 43psi regulator. I have by passed 5 807952A1 REGULATOR KIT (Mercury Marine) $169.49 Is what I just installed 🫠 dammit I feel dumb today! Guess I get to pull the cooler...
  9. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    So I have now installed the new fpr. Key on engine off I can only make 24psi. I am sure I have the correct fuel pumps and the 43psi regulator. I have by passed the boats fuel tank completely and have a line from a gas can directly from a 2 gal can connected to first pump. Any ideas?
  10. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    I have an OE fpr on the way. Thanks for the reply sir!
  11. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Ok
  12. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

  13. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Correct pump is installed along with new copper cooler. I am still not getting more than 10 psi at rail with my gauge. Is there a specific bleeding procedure after having all those lines disconnected? I have keyed on and off 50 times. i have also tried pinching the return line from FPR mounted...
  14. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Sir you are correct! I purchased the wrong pump initially. This is what I have being shipped currently EMP-1397-97004.
  15. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    I am able to build 10psi of fuel with pump above fuel water separator disconnected as you described. Leaning towards vapor lock or bad out of the box pump?
  16. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    The serial is m312634
  17. J

    No fuel at rail with KO/EO merc 350 mag mpi tow sport (02 centurion)

    Hello, long time lurker, first time caller. Working on our 02 centurion with the 350 mag mpi tow sport. As of last few years and with it aging I have replaced cap rotor plugs injectors -the usual maintenance required. Most recently I've had an issue with the boat cutting off as soon as I give it...
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