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    Engine light is on with code P0700 and P0740 TCC issue

    2004 Jeep Liberty, 3.7L. First, code P0137, O2 sensor 1, bank2. This issue is corrected and then code P0700 and P0740 came up. At 70mph, rpm varies between 2200 to 2500, seems like the torque converter did not lock-up. I know this for sure because I have a 2005 Jeep Liberty to compare with...

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