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exhaust pipe soot

  1. RAM 1500 Diesel General Discussion
    I had a 2015 Ecodiesel from new until traded in at 68K miles. The exhaust pipes never had any soot buildup and would pass a white glove test. The trade-in was to purchase a new 2017 Ecodiesel. When I wash this truck, I notice a light soot in the tailpipes. It has been this way from new and now...