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  1. alldodge

    Delco EST High Idle

    A connection needs to be their to be able get the drive back into neutral when on the water. It not being there should not have caused the high idle. Disconnect the throttle cable at the carb and see if it idles down, or it can be adjusted to idle down
  2. alldodge

    1987 Starcraft 191 select trim switch

    Post a pic of the throttle control Or look here for your control https://www.mercruiserparts.com/remote-controls-and-components-1986-th
  3. alldodge

    Mercruiser 3.0 MPI rattle noise

    Might be gimbal or U joints. Pull the drive and connect a hose to the thermostat housing so it can be run without the drive
  4. alldodge

    4.3 Mercruiaer thermostat housing help!

    Cork compresses Was the original gasket cork, and did it compress thin?
  5. alldodge

    2000 merc 5.0l alpha one gen two

    The one beep is a soft alarm. Most alarms are constant or 2 beeps There are a bunch for 2 beeps, but even a soft alarm should show a code Check the 5V reference (like at the MAP) to see if its a bit off from 5V
  6. alldodge

    The overall rundown on Velvet Drives?

    Its a 72 see page 5 As far as a rebuild, that's your call. They last a long time with proper care, but many folks don't pay any attention to them until something goes wrong. Once out check the oil to see if its telling anything
  7. alldodge

    5.0Fi PHUECE boat dies under load

    Does it stay at 35 as speed increases?
  8. alldodge

    5.7 Mercruiser(thunderbolt iv)/Alfa 1 out drive intermittent issue

    Need fuel, air,spark, compression to run Putting in reverse "should not" use the interrupt switch. You said have spark on all 8. Compression does not just disappear, and its not being started in a vacuum, so it has to be fuel That is unless this might be the twilight zone and Rod Sterling is...
  9. alldodge

    Mercruiser 350 MAG MPI Leaking Water

    There is a bunch of folks in Texas that said the same thing Glad you found the problem, and it wasn't any worst
  10. alldodge

    5.0Fi PHUECE boat dies under load

    IS your fuel pressure 31 and 39 psi?
  11. alldodge

    Delco EST High Idle

    A 1987 350 used TB4 ignition. With the TB4 the shift interrupter grounded one lead on the distributor. To use the EST the switch needs to apply 12V and not a ground. Did you change the setup?
  12. alldodge

    5.7 Mercruiser(thunderbolt iv)/Alfa 1 out drive intermittent issue

    I'm thinking a carb issue. Starts when its cold and on trailer (no load). In the water it needs a different fuel mix, bit more. Unless spark is stopping, then its fuel. Boat being on the trailer and after its warmed up. If the motor is shut off will it restart?
  13. alldodge

    Introduction

    Cool, always good to not find an over heat issue
  14. alldodge

    2003 mercruiser 4.3 issues

    Won't even backfire, and now it runs glad to hear your running but
  15. alldodge

    2003 mercruiser 4.3 issues

    Good spark Good fuel Will not hit, not even a backfire I got nothing
  16. alldodge

    2003 mercruiser 4.3 issues

    Have great spark and it won't even hit with either, just cannot believe that. The gas and either must be water How did you test for spark, and was it white or blue?
  17. alldodge

    engine cutting out please help

    Correct, have to have marine scan tool Rinda.com The main problem with the MPI motors is its next to impossible to find out what is wrong with them without a scanner. Might stumble upon the issue by replacing more parts, but this can also cause other issues Attached are 2 bulletins
  18. alldodge

    Rebuilt Mercruiser 140/3.0 doesn’t have enough power to plane

    Blow by on a fresh rebuild, not good. As before, something or something's were not done correctly
  19. alldodge

    2003 mercruiser 4.3 issues

    Disconnect the gray wire from the Tach
  20. alldodge

    engine cutting out please help

    Old motor ran fine with no issues New motor has high rpm misfire Adjusting timing moves misfire between 2000 to 3200 Does fuel pressure stay at 50 psi when mis starts? (Pressure should be 50 to 60 psi) Misfire can be caused by the MAP and CPS. Inaccurate MAP will cause incorrect injector...
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