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Recent content by Shaun M

  1. S

    Fuel Sender Alert on 2007 Mercury 5.7L 350 Mag MPI

    I've got twin 2007 5.7L 350 Mag MPI with Smartcraft (SC1000) technology. The fuel sending unit is connected through the port engine connection. This provides fuel tank level information on the dash. The starboard engine throws a "fuel sending sensor" error as soon as power is applied to start...
  2. S

    Smartcraft Guardian at 3500 rpm. (2007 Sea Ray 290 SLX) 5.7L 350 Mag Mpi Bravo 3

    Boat has twin 5.7L 350 Mag Mpi engines. Port engine was removed and overhauled due to hydro lock last summer. Since installation port motor continues to throw overspeed alarm (Guardian) at 3500 rpm. New ECM, Water pressure sensor changed and pressure mechanically checked good. No overheat at...
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