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  1. M

    350mag Mpi

    So the brief verbal history during the sale/test ride was they had very recently installed a new thermostat. Interestingly after money changed hands he admitted an insurance claim that he pocketed the money and had a private entity remove and “fix” the outdrive and put a fuel pump on it. I guess...
  2. M

    350mag Mpi

  3. M

    350mag Mpi

    All advice accepted. Thanks much. Negative Emmisions control. I will be ordering my own data collection kit. Cant afford to haul it 1.5hrs one way only to have them say their printer is out of service and internet down so they couldnt coordinate with Merc. I tried to take pictures of his...
  4. M

    350mag Mpi

    Found the fuel px test fitting. Looks like my Optimax rig will work here too. Will check this afternoon. Tks again.
  5. M

    350mag Mpi

    2014 Merc Reman S/N 1G406137 P/N 803611R11 with ECM (2014) P/N 8M0058582 Alpha. Will do on gauge. Missed my opertunity today to shop/buy merc book applicable to this engine. Hopefully diagnostic tech can advise at Friday’s visit so that I can study how to check fuel pressure. I found what I...
  6. M

    350mag Mpi

    Compression checked with none under 175. Plugs have about 6hrs (hour meter inop) since new and they all look clean and dry. Scheduled for diagnostic visit this Friday. Tech suspects the stuttering at 3000rpm may be switches (positions) on throttle/shift brackets.
  7. M

    Diagnostic plugin

    Old Optimax is still running. I have updated to a 2006 SeaRay 220 Select (has lots of issues). Will be gifting the Opti/Tracker boat to daughter and grandson.
  8. M

    350mag Mpi

    Hi folks, So I now own a very used/abused/neglected SeaRay 220 Select (2006/7) S/N SERV2078H607 with a 2014 Mercruiser repower 350MagMpi P/N 803611R11 S/N 1G406137 with ECM 8M0085882 Alpha. I have reached out to SeaRay and got a confirmation on the prop/bravoIII outdrive/and 350MagMpi setup as...
  9. M

    Diagnostic plugin

    Rinda makes it happen. Finally got to read the ecm and have 99.3hrs on engine. 108psi fuel on new gauge and 96 psi air. Ran about 1.5hrs today flawless.
  10. M

    Mercury Optimax Alarm

    I am not a marine tech so this is just a thing i had with my optimax…. oil level sensor is failed and tells guardian strategy that it is low…. i kept going and just let it beep. It calculates residual time of consumption and reduces to idle. Removed plug from tank sensor and jumpered the two...
  11. M

    Diagnostic plugin

    Good afternoon, These are the two remaining plugs so hopefully I can get order placed tomorrow for the correct rinda unit. River was low and got it in the sand a few times so I maybe can order a fresh waterpump impeller and gain some ground on finishing out the 300/3yr items on the maint list...
  12. M

    Diagnostic plugin

    Howdy, Will get a pic of my other plug that I feel may be the data port when we get back and do the post “flight” flush out. Being that it still runs great and I just put a new belt and new set of plugs (no way to know age of previous units) my wife says lets go to the Arkansas river for a bit...
  13. M

    Diagnostic plugin

    Tks for advice. I did find the serial/data decal for engine showing 2006 but the ECM has a date of 10-20-2005. I have found a (3) pin flat connector with wires that trace directly to the lower ECM socket in the correct vicinity of rinda directions and on opposite side have two more plugs and one...
  14. M

    Diagnostic plugin

    I purchased used 2006 75hp optimax on a tracker pc175, merc maint/parts manuals and rinda diagnostic kit. Unable to locate the plug (engine side) that accepts the rinda two pin plug. Sent pics to rinda of available plugs and ECM but the advice they sent back looks like a 115 engine with...
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