DEF Mileage
4-25-2015. For anyone who is interested - I just posted an update on page 3 with my latest mpg after just refilling the DEF tank yesterday. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++...
Forum Discussion
Cummins says 1 to 3% of fuel burned is normal. 2% is about average. So, if getting 10 mpg, should use about 1 gallon per 500 miles. This would be pulling a pretty good load to get down to 10mpg.
At 1600 miles, you are really at the high end, good for you! But, still within specs.
At 1600 miles, you are really at the high end, good for you! But, still within specs.
