Fuel Mileage
I have been looking into the fuel mileage of my 2006 Chevy Duramax being so low. Less the 12 mpg in town and less them 15 on the road. I an a conservative driver. The 14.9 mpg was using the cruise con...
Forum Discussion
Check the simple things first. Diesels flow a lot of air thru the air cleaner.
Have you pulled it and looked at it ? If it's the original, that could be a major contributor to bad mpg.
Have you pulled it and looked at it ? If it's the original, that could be a major contributor to bad mpg.
