Oil Consumption Mystery

Ken Freund Coach & Powertrain

by KEN FREUND
May 30, 2014

We recently ran into a problem with our motorhome that we can’t figure out. We own a 2007 Newmar Dutchstar powered by a 400-hp Cummins ISL turbo­diesel engine. It has about 36,000 miles on it. During our last trip, we suddenly began to go through a considerable amount of oil. Eventually, we discovered... Read more »

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