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Old 07-27-2013, 09:15 AM   #4600
Dill-Ag13
Scooby Newbie
 
Member#: 316535
Join Date: Apr 2012
Chapter/Region: TXIC
Location: The Woodlands, TX
Vehicle:
2012 2.0i Sport Prem
DGM

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Sorry on mobile so can't do a realistic search.

Can anyone speak to the MPG inaccuracy? I'm not talking about getting below EPA, I'm speaking to taking the number of miles driven on the trip counter and dividing by number of gallons put into tank. That mpg measure is always 10-15% lower than what the computer says.

For example 30.6 on the computer is normally about 27.8 when I hand calc it. Is it due to the larger tired on my sport premium? Can I get a re-flash? Not sure if it's my odo or mpg-gauge that is inaccurate.

2012 Impreza Sport Premium w/ 20k miles.
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