Will not go past 1400 rpm after 8th gear

Discussion in 'Mack Forum' started by Tsmith8686, Aug 19, 2020.

  1. Tsmith8686

    Tsmith8686 Bobtail Member

    Aug 19, 2020
    1-7 runs good when I go into 8th it stops at 1400 rpm will not go past until I come to a complete stop 2013 Mack chu613
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