Engine misfires at 4k rpm

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  • mvnmvn Member, Moderator Posts: 763 mod
    Definitely an ECM-555.  I can't find any info on the version 5 firmware compatibility.  A quick call to Rinda may be useful.  They may also have version 6 upgrade kits available.

    https://www.rinda.com/rindashop/shop/update/94056

    FYI, these tools are more than just simple code readers.  They allow for several PCM test functions to aid in troubleshooting.  See the manual in the link attached for detailed description of the functionality.

    https://www.rinda.com/acro/merc_manual_v6.pdf
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  • IanIan Member Posts: 3,062 ✭✭✭✭✭
    edited March 2023
    LaRea said:
    @Ian mentioned this product recently:  the 555 Scan from ODB Diagnostics.  I haven't used it, but seems to offer the same features as the Rinda for a very affordable $300.  You'd need a laptop or tablet computer to run it.

    Your Merc 350 Mag has the ECM 555 module, so it should be compatible.

    https://obd2allinone.com/555scan.asp

    Decided to take the plunge and ordered today. We’ll see what I get to see!

    Regards,

    Ian

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