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  1. Z

    Diesel Engine Incorrect Calibration? N212355140

    Again, I have no reason to lie. It’s noticeably shittier. So much so I’m attempting to get it reflashed back. But clearly you know everything
  2. Z

    Diesel Engine Incorrect Calibration? N212355140

    No, maybe your 23 could be running Better and you don’t know any different
  3. Z

    Diesel Engine Incorrect Calibration? N212355140

    Y’all don’t have to believe me… 1. I reset my tripometer every fill up and check the average mpg. Before the recall I was at 21mpg now 18mpg. Most of my torque was at 1700-2400rpm…now it is much higher. I made an account to warn y’all not be a troll.
  4. Z

    Diesel Engine Incorrect Calibration? N212355140

    So I had the N212355140 recall done on my 22 Chevy suburban w/ 3.0 and all I can say is DONT DO IT. My low end torque is gone now and my fuel economy went to shit. I’m trying to get the old software back

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