Resetting the Ave. mpg (done by hitting "enter" when the unit is on) because Bill C. that was the way to show the most accurate MPG. When reset, it will go to whatever the instant MPG is reading at that moment and then start averaging input data. IIRC, Bill said that the error stacks up as data is stored. The unit can store only so much data and dumps or overwrites as it goes along.
I just spoke with a guy who uses the built-in Ford unit in a similar truck and he said his reads optimistically by 2-3 mpg as well.
I watch instant mpg religiously, to control my driving (try to accelerate while keeping it above 9mpg!) but I'm about to put another parameter in place of the average.
I think people don't like to talk much about this because they like the "braggin'" right they get ( : < ).
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Sun, February 20th, 2011, 08:58 AM
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