A full tank of gas in my '02 Sequoia always showed around 370 miles range on the overhead mileage/distance display. Recently, the display is showing only a range of 323 - 325 miles when the tank is filled. I have disconnected the battery to flush whatever memory might be stored but the reading is still showing this reduced range. For a tank holding 26 gallons, and the overhead display showing an average 15 MPG, then a fill-up should show a range of 390 miles. Has anyone had any experience with this? Any help would be appreciated. Thanks.