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Old 04-04-2014, 01:34 PM   #3 (permalink)
cbaber
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Join Date: Feb 2012
Location: Missouri
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Lean and Mean - '98 Honda Civic HX
Team Honda
90 day: 46.69 mpg (US)
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For the ScanGauge to read any data from the vehicle, you need they key in the ON position. If you kill the engine you should be turning it from ON to OFF or ACC (one turn back is accessory on my Honda), and then ASAP switch back to the ON position. If you are coasting in the accessory position the OBD functions are shut off, and the SG is not getting any data.
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1998 Honda Civic HX - My Project Thread

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