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  1. M

    5.7 MPI Misfires Under Load

    Would love to look at them once we get the serial number and ECM figured out. You can use. Dropbox Onedrive Googledrive to post these files so we can all see, just upload them and post the link here
  2. M

    240 v6 alarms for over heating upon startup

    You didn't post a serial number so can't be sure. But if you go to --- https://www.volvopenta.com/en-us/service-and-support/your-engine/manuals-and-handbooks/ --- and input your S.N. it will tell you what workshop manuals are used to diagnose and repair this issue. Also this site will alert...
  3. M

    2019 Volvo V8 380 C-M won't start unless i give it throttle

    If memory is correct, that’s where the EVC would mount if you had that option.
  4. M

    Ignition service manual 1997 4.3GL

    you can use the link that Don S has provided to troubleshoot this problem. keep in mine that most distributor modules from the auto parts store or Amazon won’t work for you. usually they need to be marine specific.
  5. M

    5.7 MPI Misfires Under Load

    Thanks for the offer. Would love to look at them once we get the serial number and ECM figured out. I did notice that you pointed out a low temperature problem. Probably be good for the O.P. To get that resolved.
  6. M

    5.7 MPI Misfires Under Load

    Post those and the other info and we can try to help.
  7. M

    VP 2014 300Hp V8 duo-prop, 35 regal twin fly-by-wire

    Yes, serial number. But also EVC version is important. You might need a scan tool to find the problem, but if you correct the problem and do a restart. That will clear the shutdown. Generally speaking, only thing that will shut an engine down is complete loss of fly by wire info to the...
  8. M

    4.3 Mercruiser MPI Chugging/Surging and Beeping during turns/Waves

    Yes it seems that a lot of posters don't realize how important the serial number is to getting good advice. Even what would seem to be a minor difference --- say two engines that are the same, the only thing is one has freshwater cooling and the other has rawwater cooling ---- they will have...
  9. M

    5.7 MPI Misfires Under Load

    Post the drive and transom serial numbers along with a pic of the ECM sticker. I can usually link an engine with that. Post the year make and model of the boat. I haven't seen any REC files posted. I personally don't know how to post them, I just know it can be done because others have done it...
  10. M

    2019 Volvo V8 380 C-M won't start unless i give it throttle

    Yes, finding a trained tech can be hard especially one that has the time to travel this time of the season. Might have to look at getting the boat to them. But I'm guessing you do need one. I don't know why this problem is showing up now. I have found most failures just happen. Ran good...
  11. M

    4.3 Mercruiser MPI Chugging/Surging and Beeping during turns/Waves

    I think you might be referring to a post I made on a Volvo Penta. Not all engines use this strategy. O.P. Didn’t post a serial number so at this point any advice would be a bad guess. I see someone has recommended a “wiggle“ test. I would never recommend this test on a running MPI engine. There...
  12. M

    2019 Volvo V8 380 C-M won't start unless i give it throttle

    Those numbers are normal, the fuel pressure at those pumps will fluctuate because the ECM uses PWM (pulse width modulation) to control them. Your engine is EFI high pressure direct injection. This means that you have a 3rd fuel pump under the intake manifold. This pump ups the pressure to...
  13. M

    2019 Volvo V8 380 C-M won't start unless i give it throttle

    Welcome to iBoats. what fuel pressures did you measure? What was the PSI?
  14. M

    Ignition service manual 1997 4.3GL

    Pink wire is a EST color. What ignition system do you have?
  15. M

    Ignition service manual 1997 4.3GL

    https://forums.iboats.com/threads/proper-manual-for-volvo-4-3gl-e.341349/ Don S. Man I miss that guy.
  16. M

    Ignition service manual 1997 4.3GL

    You didn't provide a serial number so I can't be sure. But I'm guessing you have the prestolite BID ignition system. The weak point we saw on these was module overheating. This system doesn't like people who leave the key on when the engine isn't running and warns the operator in the owners...
  17. M

    Volvo Penta 5.7 no spark

    This engine uses a Lever Based Throttle System. Basically what this means, If you set the throttle lever to half way (50%) this will command the ECM to try to maintain a certain RPM (lets say 2600 rpm as a guess for this engine) so the ECM will try to keep engine speed at 2600 rpm no matter what...
  18. M

    5.7 MPI Misfires Under Load

    Post the numbers from the injector balance test. Post the engine serial number. Post a pict of the ECM stickers. Post the Diacom files, snapshots of the screen doesn’t really show much.
  19. M

    2018 V6 200 J Oil pressure dropping and alarm

    Pretty sure your engine is 6 qt /5.7 L What do you see on the dipstick?
  20. M

    2018 V6 200 J Oil pressure dropping and alarm

    Yes, too much oil can cause low oil pressure as @Scott Danforth said. But this would be a constant problem, not intermittent. And usually only at higher RPMs. Alarm is triggered by the ECM, how that data makes it to the dash horn depends on the gauges. If I wanted to confirm oil pressure with...
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