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  • Check Engine Light MCX

    I have a 2007 X14 with the 350 HP MCX (Chev 350 cc engine). I'm getting a Check Engine light and went to put a code reader on it, but the connector is a 10 PIN vs a 16 pin connector. Has anyone found out how to read the codes from the dash display? Is there a reader adapter that works? I've already replaced the Throttle body assembly and that made the problem go away the first time. Not sure how to figure out what's wrong now. Feedback appreciated! Bruce

  • #2
    Originally posted by bparelskin View Post
    I have a 2007 X14 with the 350 HP MCX (Chev 350 cc engine). I'm getting a Check Engine light and went to put a code reader on it, but the connector is a 10 PIN vs a 16 pin connector. Has anyone found out how to read the codes from the dash display? Is there a reader adapter that works? I've already replaced the Throttle body assembly and that made the problem go away the first time. Not sure how to figure out what's wrong now. Feedback appreciated! Bruce
    Your 07 is a MEFI5 and you cannot use a MEFI 1-4 reader with it.

    You'll need either a MEFI burn or DIACOM cable and software to read codes from that ECU.

    https://www.rinda.com/marine/marinemenu.htm
    -Tim

    Making boomers great again!! Boomin'

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    • #3
      Buy the code reader if you can wrench. Most dealers will read codes and replace parts based on error codes.. for what you spend on that you can get the reader can't talks about

      Sent from my SM-G955U using Tapatalk
      sigpic...A bad day water skiing still beats a good day at work...1995 Pro Star 205....

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      • #4
        Originally posted by mikeg205 View Post
        Buy the code reader if you can wrench. Most dealers will read codes and replace parts based on error codes.. for what you spend on that you can get the reader can't talks about

        Sent from my SM-G955U using Tapatalk
        They may use a reader, but seeing data is much better.

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