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  1. K

    Fuel Tank Pickup tube clogging?

    I have a 87 gallon Moeller tank in my 2004 Trophy and I'm wondering if it's realistic/possible that the fuel pickup tube could be restricted. Has anybody ever experienced this with this tank? Does anybody know if there is a filter/screen at the bottom end of the pickup tube? I attempted to...
  2. K

    Pumping the throttle......

    2004 Merc 5.0L MPI in a Trophy 2359 She's seriously bogging under load (revs just fine out of gear) and generally will not go above about 2000 rpm or about 10-12 mph. I have found that if I gently feather the throttle up about 100 rpm at a time, I can sometimes get it to go up to 3200 rpm and...
  3. K

    After removing water from the tank

    5.0L MPI Merc After I remove a bunch of water from my tank, how do I go about taking care of the rest of the system? Do I just run the boat to clear any water out of the fuel rail? Do I need to add gas drier? Do I need to run an injector cleaner? Which would be best for this? What...
  4. K

    5.0L MPI Merc, HP fuel pump and filter?

    2004 Merc 5.0L MPI (Engine serial # OWO18920) Engine has been extremely low on power (sometimes, won't even get up on a plane) and seems starved for fuel. If I feather the throttle up gently about 100 rpm at a time, it will get up and go after a few minutes, but is still low on power and will...
  5. K

    5.0L EFI Merc Fuel Pump Number?????

    2004 Merc 5.0L EFI (Engine serial # OWO18920) Pulled off the LP fuel pump today (lacking power, and the pump sounds bad) and went to the boat shop to get a new one. The number on the pump is 861155-4 and below that is the number 0754A. This number doesn't seem to match any part available...
  6. K

    Bogging engine: Corroded Fuel Withdrawl fitting on tank

    2004 Trophy 5.0L MPI Mercruiser Okay, so I have been having major fuel problems for some time now (bogging due to insufficient fuel to the engine) and finally discovered that the fitting on the top of the tank where the fuel comes out to go to the pump (is that called a fuel withdrawal...
  7. K

    Bleeding air out of fuel system?????

    2004 Merc 5.0L MPI I removed about a gallon and a half of water from the fuel tank. Then took out the fuel filter/water separator (oil filter type, without a valve at the bottom to let water out) in order to get the water out of it. Dumped the filter and put it back in. Ran the engine for...
  8. K

    2004 Merc 5.0L MPI bogging under load

    New guy needs help...... 2004 Merc 5.0L MPI Bravo is intermittently bogging down under load. Sometimes it goes just fine, but sometimes I have to shut it off and restart it to make it work. It will generally run up to about 10-15 mph but then starts to sputter and won't go any faster. Twice...
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