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The fuel readings are driving me nuts. As I suspected before I got the ScanGauge, my tank measures differently at the top, middle, and bottom. After I first calibrated it at 1/4 tank as the manual suggested, it was dead accurate at 1/4 tank, ie. when my fuel gauge read 1/4 tank, so did the ScanGauge. But at fill-up, it was WAY off. Oh well... since I usually fill up near empty, this new calibration should be more helpful. But then I decided to fill up mid-tank this week and it's way off again.
And the real problem is that it's obviously giving screwy MPG readings throughout the week. Last week the SG was off by 15% at fill-up. The other day after my first trip, the Trip Average differed from the *calculated* trip average (from Trip Miles divided by Trip Gallons) by about 15% in the other direction. WTF?!!
Suggestions?
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