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  1. Fixed it. Replaced the upper oil reservoir which...

    Fixed it. Replaced the upper oil reservoir which fixed the 4beep every 2 minutes. Replaced my water pump and thermostats which took care of the continuous beep. She runs good again.
  2. Mercury 150efi continuous beeeeeep

    2004 Mercury EFI s/n:0T817589
    I was running the boat the other day and got an intermittent alarm, 4 beeps every 2 minutes. I diagnosed it down to the oil reservoir on the motor. I took out the...
  3. Please disregard this. I of course posted in the...

    Please disregard this. I of course posted in the wrong forum.
  4. 2004 Mercury 150efi Continuous alarm sound at 3200rpm

    I was running the boat the other day and got an intermittent alarm, 4 beeps every 2 minutes. I diagnosed it down to the oil reservoir on the motor. I took out the sensor and checked continuity with a...
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    so, I took apart the VST again and somehow the...

    so, I took apart the VST again and somehow the float was stuck up when I reassembled it the first time. I reassembled it and primed it, cranked right up! Good to go!
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    So i got the new fuel pump, cleaned out the VST,...

    So i got the new fuel pump, cleaned out the VST, and reassembled the tank. Primed the bulb until firm. Cranked it over and it sputtered and wouldn't start. It then didn't sputter at all and just...
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    The pump I pulled from the motor was a Walbro...

    The pump I pulled from the motor was a Walbro GSS436. It was an aftermarket pump. No wonder it failed.
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    I tested it by hooking pos to pos and neg to neg....

    I tested it by hooking pos to pos and neg to neg. It’s my first time testing a fuel pump, is there another way?
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    2004 150EFI fuel pump

    2004 Mercury 150 EFI
    serial: OT817589

    So last time I went fishing 2 weeks ago my 2004 Mercury would stall upon putting it into gear. This happened first thing in the morning about 4-5 times....
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    Thank you for the input. Going to repost in the...

    Thank you for the input. Going to repost in the correct forum.
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    2004 150efi fuel pump?

    New to the forum. 1st question. I searched for a while but nothing came up for my motor.

    So last time I went fishing 2 weeks ago my 2004 Mercury 150efi serial number (OT817589) would stall upon...
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