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What does your voltage reading say on your in-dash display?

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What does your voltage reading say on your in-dash display?

 
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Old 11-10-2018, 10:50 PM
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Originally Posted by quickster2 View Post
Mine goes from 13.2 (rarely) to 14.8. I have a new Porsche battery installed by the dealer. Normally after driving it seems to live in the range of 13.5 to 13.8. 2102 S. Sport mode the voltage goes up for some reason.
The reason for the sport mode jump (1V usually) is - the EPA mileage is measured in non-sport mode.. so they limit the load on the alternator to improve fuel mileage. Once the battery is fully charged - the sport and non-sport mode voltages pretty much are the same.
 
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Old 11-11-2018, 07:43 PM
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I have a 2014 V6 and it displays 14.3 volts. I have two radar detectors that can display the voltage and they both display .3 volts more than what the screen shows.
 
 
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