Jan 18, 2020 — Less than an hour later, customer brought the truck back for the same derate issue. Had a DPF differential active fault. Pressure ports were clean .... Aug 27, 2016 — Have a 2016 Mack Granite 1400 miles, with a regen problem. It will not do a passive regen which results in the filter getting clogged every 4 .... Less soot = Less need for DPF regeneration. That's how DPF Remedy solves DPF problems starting with the first tank of treated fuel. Many of our clien
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