Join Date: Aug 2011
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Very strange mileage observation
I recently got back from a 1000 mile trip with our 2001 F350 7.3 PSD automatic and experienced something strange.
When accelerating extremely slowly, like when hauling a few loose eggs in the truck bed (read: babying it), I get 10.5 mpg and when accelerating fast, the mileage rises to at least 11.5 mpg. (semi-hand calculated by an iPhone app)
Shouldn't that be the other way around? Could there be something wrong? Any ideas?
Thanks for the info,
FYI: I was hauling a truck camper to get this kind of mileage.