2015 Duramax in C4500 chassis under a Champion handicap bus having increasingly frequent dpf clean cycles, now has gone into a reduced power mode. Could it be a sensor? If so how do you replace it. Was throwing P0420 codes occasionally before this.
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DPF problem
2015 Duramax in C4500 chassis under a Champion handicap bus having increasingly frequent dpf clean cycles, now has gone into a reduced power mode. Could it be a sensor? If so how do you replace it. Was throwing P0420 codes occasionally before this.
WAM, 2500HD D/A ext cab 4X4, 1997 Suburban 6.5TD K-1500.
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