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Old 06-17-2010, 05:49 PM   #2 (permalink)
Left Lane Ecodriver
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Join Date: Aug 2008
Location: Buffalo, NY, USA
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Prius C - '12 Toyota Prius C
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No, turning the key turns off the ScanGauge, and it can't record your distance. Turning the key backwards powers down lots of systems: the ECU, the OBD-II port, speedometer, turn signals, headlights, wipers, ABS, SRS. A fuel injector kill switch is the best way to kill your engine and keep your mpg logging accurate.
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