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  1. J

    Transmission that sucks

    2014 6.4 6 speed auto 4x4 im told it is in limp mode 4th gear is as high as it will shift up to. Codes are 729,735, and 871. Any idea where I stand with these codes. I need help only had the truck 2 weeks.
  2. J

    RPM @ 75 MPH?

    2014 6.4 2500 4X4 WITH 3.73 GEARS we think what should the 6.4 be turning at 75 mph? Also how do I confirm the gear ratio on a Dodge pickup?
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