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Discussion Starter #1
I have had my 2010 Insight almost a year. During that time I have driven a total of 10733.7 miles, put in 268.452 gallons of fuel for a total MPG of39.98368423 MPG. All during this time, the MPG reading on the information computer hever goes below 42 MPG which leads me to question the accuracy of the computer. Has anyone readiong this forum had similar experiences and does anyone know if the computer can actually be calibrated to report a more accurate reading?
 

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The MPG readout is just an approximation and not meant to be precise. I really doubt there is a fix. There are however, software upgrades available at the dealer that do improve mileage. (and CVT behavior & auto stop) If you have not had them done, do it. Those will not change the guessimation of the MPG readout though. We have threads here on both the mileage meter being off and the software updates.
 

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About 3 mpg optimistic on the MID is about right.

I'd check tire pressures, especially with colder temps. coming. I see roughly a 40% mpg improvement with the tires at 39 psi all around vs the 36 psi I put them at, when I bought the car.

I believe 33 psi is recommended. Just adding some air to the 33-36 range could easily get ya up to the 42 mpg area. The EPA overall estimate is 41 for the old I2's 42 for the new ones.
 

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Discussion Starter #4
Thanks for your reply. As a by the way, since getting the Insight I have kept the tire pressure at 41psi. Also it should be noted that much of the miles reported in the post involved 2 trips from Nashville to Colorado, a little over 1200 highway miles, when in Colorado mostly a 36 mile one-way on Interstate highway, and finally 2 trips from Nashville to Chicago, 500 miles each way, all highway.
In case anyone is reading this reply, I am also at the point where I have to look at replacing tires. I have decided to go to a 195/60 R 15 and am torn between Bridgestone Ecopia EP422 and Falken Ziex 912. The Falken tires are about $18.00 a tire less than the Bridgestones, both with a 65000 mile treadlife warranty. All opinions would be appreciated.
 
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