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  1. Duramax Fourth Generation: 2007.5-2010 (LMM)
    My DPF is clogged on my 08 LMM (Chevy 2500) at 162k. I bought the truck in April for work and it is stock with emissions. I got a low voltage code on the DPF pressure sensor back in June and changed the sensor along with the flange gaskets on either end of the DPF/pipe in October (I know, I...