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    4.3L EFI Fueling problems Mercruiser ((Help needed))

    After 30 min approx running we stop the engine for 10 mins and it will not restart. It would appear that the fuel pump is faulty, although it makes a noise we do not get any fuel back via the return line from the fuel pump to the filter and it pulls a small vac on the fuel filter return line...
  2. L

    mer 4.3 EFI will not start when hot after approx 30 min

    We have a alpha 1 with Mer Cruiser 4.3 EFI the type with water and oil pressure warning. The engine fires fine when cold and runs for approx 30 mins at which point we stop for a drink. After this time it runs for approx 10-15 secs then cuts out and wont re start. It would appear that the...
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