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  1. Z

    Low fuel pressure, fuel filter half full while idling.

    I guess I need a lot of learning to do :-( I believe the idea is to stop the pressure getting distributed by blocking the fuel return line. Attached is the fuel regulator (I guess) and fuel filter pictures. Which hose do I need to remove? How will it stop the pressure leak by removing any of the...
  2. Z

    Low fuel pressure, fuel filter half full while idling.

    I recently got this boat. Mercruiser 5.0 MPI, Alpha1 Gen2. Had the engine checked at a mechanic running on muffs, and he showed me the fuel pump half full, and he said engine wasn't working at full efficiency. He said either air is coming into system, or fuel is leaking. Then I took it on the...
  3. Z

    MerCruiser 5.0 MPI diagnostic connector

    I had the engine checked at a mechanic, and he showed me the fuel pump half full, and he said engine wasn't working at full efficiency. He said either air is coming, or fuel is leaking. Then I took it on the water, and he was right, it stalled sometimes, especially when putting into gear. I had...
  4. Z

    MerCruiser 5.0 MPI diagnostic connector

    Thanks :-) I found the connector exactly at the same point. I was looking for one with 10 pins, this one has only four (just like a trailer connector). So in order to find the diagnostics codes, I guess I need to short two pins and the engine hopefully goes to service mode and starts blinking a...
  5. Z

    MerCruiser 5.0 MPI diagnostic connector

    Hello. Sorry but where is the diagnostics connector? I am posting a picture of my engine, can't locate the 10-pin connector :-( Pretty much looked all around it. Maybe there is none? Thanks
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