Fuel Pump / FSM: Fuel pump run time on ignition key ON

Related KB links

• Priming the FSM (Ran out of Fuel Condition) – Without Purge Tool

  Procedure · 1. Verify the engine is in a level vertical position. 2. Verify the vessel fuel supply line is connected to the outboard fuel system inlet fitting. 3. Turn the ignition key on. The fuel pumps will run for approximatel...

• Engine Runs Erratically

  Diagnostic · Cause: Fuel pump failure

• Fuel System: Ignition ON duration before cranking (fuel fill procedure)

  Spec · 5 seconds conditions={"condition":"Initial start or fuel system empty"}

• Starting Engine After FSM Priming (General – Post Purge Tool Use)

  Procedure · 1. Turn the ignition key on. When the fuel pumps stop running, start the engine. 2. If the engine does not start on the first attempt, retry. The engine will run rough at idle for up to two minutes while residual air ...

• Engine fails to start on first crank attempt

  Diagnostic · Cause: Fuel system not primed (e.g., new engine, ran out of fuel, or fuel was drained) Test: Turn ignition to ON for ~5 seconds, then turn to START and release; engine cranks up to 8 seconds. Repeat until engine remai...