Pepe Posted February 6, 2020 Share Posted February 6, 2020 Hello guys , I’m trying find some help, don’t know what to do, Just buyed a nice Mack cxu613 with mp8 engine, this truck runs really nice and smooth but going uphill doesn’t have any power, even only the tractor without hauling doesn’t have power uphill, just found out the DEF system is not working at all , and the blue bottom on dashboard for DPF exhaust is not working neither, any help, any advice please?!! Quote Link to comment Share on other sites More sharing options...
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