2014 Mack cxu613 mp8 code p2658

Discussion in 'Mack Forum' started by 1717rsc, Sep 21, 2021.

  1. 1717rsc

    1717rsc Bobtail Member

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    Well I have noticed my exhaust temp running a little higher even when unloaded . After a couple of days of trying to see if something is wrong a check engine shows up code p2658 . Does anybody know what this code means also is this what’s causing my exhaust temp to go up .