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 .
2014 Mack cxu613 mp8 code p2658
Discussion in 'Mack Forum' started by 1717rsc, Sep 21, 2021.