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  1. alldodge

    High fuel pressure issue

    Probably but is most likely just be a bandaid fix for your issue and wasn't my point when discussing VL. I have a hard time getting that it won't stay at 30, and more so that few pounds more causes it to run worst. Currently wonder if the Reg is not the correct part number, and that...
  2. alldodge

    High fuel pressure issue

    Oh no, were all going to die
  3. alldodge

    High fuel pressure issue

    Mostly talking about MPI, not so much with TBI Autos have flow thru ventilation and excess fuel is returned to tank Most marine (not all) there is not much ventilation when motor shuts off and the excess fuel returns to the canister fuel filter. So heat builds up, boils gas in fuel rails...
  4. alldodge

    Mercury 3.0 EST no spark

    New motor should be 150, at 170 and white smoke I would agree water is present
  5. alldodge

    High fuel pressure issue

    I'm EFI all the way but yes they can and do VL
  6. alldodge

    Volvo penta 4.3 flooding

    Putting oil in gas will make it smoke some but unless there is a lot of oil it would still run I has to have something to do with the needle and seat. You said have tried twice, but its still the only thing that keeps fuel from over flowing. That is unless your pressure gauge is off and its...
  7. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    The wiring is in Merc manual 36 and are not able to scan and post do to the sizes. Here is some or some sensors
  8. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    You will need a Rinda scanner to read the codes. Can get the handheld Techmate Pro or software that runs on a laptop. Both will require adapter 94006. The ECM cannot be scanned with meters or other OBD scanners The software is $599.00 kit 94010 which comes with 2 adapters, the one needed and...
  9. alldodge

    High fuel pressure issue

    Alpha drive, Circuit 423 white wire goes through shift interrupter with MEFI 1. This is where the ECM makes the motor stumble to shift out of gear 423 should vary based on rpm
  10. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    There should be a plug cloe by the ECM and probably has a black cap on it, maybe 2 in wide. There it is next to the engne connector
  11. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    Next thing would find out if there are any codes in the ECM. It will need to be scanned Have you done a compression test and if so are they in the 150 psi range 1030 kPa
  12. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    Thanks for number 2a014494 The ECM looks rough with the connector coming apart
  13. alldodge

    Volvo penta 4.3 flooding

    Nothing wrong with pressure Being a VP it should be a Holley carb https://www.holley.com/blog/post/how_to_fix_a_carburetor_that_floods/
  14. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    296kPa or 40 psi at 1800 rpm. Should be real close to same readings with just key on
  15. alldodge

    5.7 350 engine Mercrusier 2011 - RPM low issue under a load

    I still don't know what exact motor your working on. This is why I've asked for the serial number. It appears to be MPI from the pic with a 555 ECM but there have been a few different mods happen over the years
  16. alldodge

    New valve cover gaskets and still leaking V6 4.3

    Use a wire or long skinny blade screw driver. You want to know if that was the problem by trying to get something out of the holes. Using enough air might fix the issue but won't tell you if it was the hole or the RTV
  17. alldodge

    High fuel pressure issue

    How does step 5 and 6 work out with the test light?
  18. alldodge

    Mercruiser 5.7 crank but want start

    Mixer screws won't cause it to flood and not start, it won't idle very well. Run through the TBV troubleshooting "exactly" as shown to test for spark. When it says to rapidly ground the wire several times fast, that's what ha to be done
  19. alldodge

    New valve cover gaskets and still leaking V6 4.3

    Yes you can reuse the gasket, might use some acetone to clean the oil off before applying RTV The drains are in bottom corners of the head (left and right) on the exhaust manifold sides. Search GM head drain holes, pics will show up
  20. alldodge

    New valve cover gaskets and still leaking V6 4.3

    Ya know if your return oil galleys in the head are partially clogged could be another issue. Why it doesn't leak until your at high rpm With cover off use something and probe them in the corners. There open and just drain back to the pan
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