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Search results

  1. A

    4L80E no overdrive

    Hard to get it scanned when it seems no one has an OBD 1.5
  2. A

    4L80E no overdrive

    Took it to shop and can’t scan no power at plug
  3. A

    4L80E no overdrive

    I have a 1997 allegro motor home with 454 ci and 4L80E transmission and there is no difference when shifting from D to OD and that’s whether shifting up or down even at 70 mph
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