I drove my xB 820 miles to Utah before Labor Day. My UltraGauge performed flawlessly. My calibration has varied from 1.08 to 1.21, after initially setting it at 1.135. I've got it set at 1.21 now, as I'd rather be pleasantly surprised at tank fill than disappointedly surprised. I've learned to identify DFCO from watching the open loop indicator. The ScanGauge showed it by displaying 9999 mpg.
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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