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    7.4 MPI Stalling wont idle.

    Thanks. Ordered the regulator from Merc and will see how it runs after installing. Many thanks for the help!!!!
  2. A

    7.4 MPI Stalling wont idle.

    Damn, put $70 worth of new gas in 2 weeks ago. Just my luck.
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    7.4 MPI Stalling wont idle.

    Ok all, just now able to get to it. Pressure goes to 80 initially them drops to 42. Try to start the engine and pressure goes up to 80 then drips back to 40 when it dies. I'm attaching a pic. Glass jar on the right is from the pressure relief of the gauge. The jar on the left is non ethanol gas...
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    7.4 MPI Stalling wont idle.

    1999 Mercruiser 7.4 MPI. Engine will start after a few attempts when increasing throttle then die. Finally will run with throttle (giving extra gas) while idling but revs and calms and revs and calms, got a little miss or mild backfire after running for a while. All of this is out of gear. Had...
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