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Old 01-15-2012, 08:33 PM   #30
Scooby Specialist
Member#: 209172
Join Date: Apr 2009
Location: Omaha, NE
2012 Impreza CLL


Originally Posted by SleepNMnky View Post
Have you computed it yourself or are you relying on the on-dash gauge. The gauge is over by 1-3 mpg from what we've all gathered.
Actually the on-dash display may very from being low, accurate, or high. After about 5/6 tank fills, you can ask you dealer to adjust it (they have the procedure). You will need to let them know of the deviations in 1% intervals. This is the procedure that is also used to set the outside temperature that is displayed (an additional step in that same procedure/matrix).

You can also do this yourself; however, it looks to be a real PITA.
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