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Re: ISB6.7 cm2250 2012 bus code 3575
Posted to HD/Fleet Forum on 1/18/2018

Hello Larry, we installed the new unit [rebuilt from Cummins], did the doser test to clear codes and all is well. Ran it this morning for couple hours and test drove 10 or so miles. Last time it didn't make it out the yard. Basically we have a older insite pro... Login to read more.