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Thread: ECU reads 158mph at all times/abs gives correct speedometer reading/max RPM 5300

  1. #1
    Potential Tuner
    Join Date
    Oct 2018
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    8

    ECU reads 158mph at all times/abs gives correct speedometer reading/max RPM 5300

    T56 Magnum XL manual swap and DOD delete on a 2009 Pontiac G8 GT.

    Any idea why I'm having the issue in the thread title and how to remedy the situation?

  2. #2
    Potential Tuner
    Join Date
    Oct 2018
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    8
    Pics coming soon

  3. #3
    Potential Tuner
    Join Date
    Oct 2018
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    8
    jk it won't let me post the pics. use your imaginations and ask questions lol

  4. #4
    Advanced Tuner
    Join Date
    Aug 2014
    Location
    Central, LA
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    737
    Post the log and tune if you have it.