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A6 voltmeter

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darrlik | 11:41 Fri 10th Mar 2006 | Motoring
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The voltmeter on my 51 plate A6 1.6 TDI is over 16 when the engine is running. Before turning over it sits between 12-14 volts - should i be worried
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Avatar Image stanleyman
That's the trouble with more guages, more things to worry about, it may not be accurate if it is showing up to 14 volts off charge. Provided you are not lossing battery fluid it should be ok. Charging voltages tend to be a bit higher these days anyway.
12:04 Fri 10th Mar 2006
Avatar Image Sparky1979

No, that's perfectly normal.


When your engine isn't running the battery should show around 12v. When your engine is running, the alternator is constantly recharging the battery at 16v.

12:51 Fri 10th Mar 2006
Avatar Image homer75
16 volts is too high - your battery will be getting cooked - plates will buckle with the excess current. charging voltage should be between 13.5 and 15
16:12 Sat 11th Mar 2006

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A6 voltmeter

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