Search results

  1. 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
  2. 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
  3. alldodge

    2003 mercruiser 4.3 issues

    Disconnect the gray wire from the Tach
  4. 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...
  5. alldodge

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

    Gas in a vent hose is not normal. Which hose?
  6. alldodge

    Mercruiser 3.0 blowed a spark plug

    Good point dubs, my bad, so forget the TBV guide. Never did see a serial number EST trouble shooting guide
  7. alldodge

    Replacing alpha one retainer nut

    A1 G1 I don't think missing tabs will cause water to enter, but no expert. Maybe we can get @Bondo or @Bt Doctur to comment
  8. alldodge

    Carb or worse?

    Don't know how it cracked, could be a defect or maybe got to hot. Don't see water from a crack manifold to blow a head gasket, but if a head gasket blows it can build enough heat to crack the manifold Same as above, if it gets hot enough maybe, or if the manifold was not torqued to spec, or...
  9. alldodge

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

    The motor sounds bad. I think its either was not rebuilt correctly. Rings not installed correctly, timing, rocker adjustment, I don't know. With a cylinder showing oil, maybe rings
  10. alldodge

    Mercruiser 3.0 blowed a spark plug

    Did you run through the test in post 10 ?? Coil test https://www.aa1car.com/library/ignition_coils.htm
  11. alldodge

    Smartcraft data bus fuse

    I don't know, but blowing a fuse means its pulling to much. The normal charge voltage at the battery is no more then about 14.5V
  12. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    Flush hoses on seawater pump and the crossover, remove thermostat. You should be good
  13. alldodge

    Impeller housing overheating

    Meter connects to Negative side of coil and ground to measure dwell After timing is set and dwell correct, adjust carb if need be to meet spec
  14. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    You have closed cooling I take it??? What is your serial number?
  15. alldodge

    Need More Bling

    Ahh no
  16. alldodge

    Mercruiser 3.0 blowed a spark plug

    Gray comes from Neg side of coil and goes to the Tach thru the 10 pin motor connector. In most cases, just disconnect from the Tach to verify its not the problem
  17. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    When pieces are found its best to back flush everything If the impeller is not moving water then it needs to be looked at and determine if it needs replacing Was the thermostat installed correctly?
  18. alldodge

    Mercruiser 3.0 blowed a spark plug

    Then you have a spark issue, or your flooded really bad Run through this
  19. alldodge

    Chris Craft Volvo Penta 4.3 Ignition does not turn engine over

    Yes gauges I have no idea what you have or don't have If gauges turn on, have 12V on coil but the issue is it won't crank then
  20. alldodge

    Mercruiser 3.0 blowed a spark plug

    Don't see how that would happen Maybe the rotor didn't go all the way on. If it was just a tad to high, the distributor would turn, but the rotor may not, get hung up inside the cap. Check the rotor closer to see if something looks wrong
Top