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Old 11-24-2012, 11:39 PM   #1 (permalink)
ever_green
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Join Date: May 2011
Location: Toronto
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gueff - '19 Mercedes Benz A250 4MATIC AMG
90 day: 30.55 mpg (US)
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SG2 battery voltage

i was wondering how accurate the battery voltage number by scangauge is? when my car has been out overnight in near freezing tempratures the voltage is 11.8v off and 14.7v idle. does this mean my battery is done? the car does turn over slightly lazily when weather is cold, but when its warm it starts like a champ.

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