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Thread: How to read ECU

  1. #1
    Veteran Member Four Rings MikTip's Avatar
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    How to read ECU

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    2015 S3 with 210,000 miles with new 2019 Q5 motor. Still going!

  2. #2
    Veteran Member Three Rings
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    What exactly is this accomplishing?

  3. #3
    Veteran Member Four Rings MikTip's Avatar
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    Quote Originally Posted by ItsLarryG View Post
    What exactly is this accomplishing?
    In order to get inside the computer ECU to see its factory tune and modify the tune.

    Its how companies like APR tune the cars.

    Its why the newest 8Y cars are taking so long to get tunes....
    2015 S3 with 210,000 miles with new 2019 Q5 motor. Still going!

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