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engine sludge

  1. Engine sludge on 2015 Touring at 110,000 km - what is the proper clean up here?

    2011 - 2017 Odyssey
    Ya it’s got sludge. Likely sat for months and short drives and poor maintenance. I am looking at buying at a 2015 Touring at 110,000 km from a dealer here. Originally the oil smelled like gas. They changed the oil for me Friday. Today, I added a serving of injector cleaner, filled the tank...