1st DEF fill up
Filled the DEF for the 1st time today. Took 4.2 gallons. Mileage was 5400. According to the calculator, that equates to just under 1300 miles per gallon. Dash info center said I had 470 miles left on ...
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Truck in sig. 3,200 miles at 1/4 tank, put 2.5 gallons in went up to 7/8 tank. Who knows what the consumption rate is! Does not seem too bad.
