drained battery
5

Asked by Edward Sep 17, 2019 at 05:52 PM about the 2001 Audi A6 2.7T quattro Sedan AWD

Question type: Maintenance & Repair

car looses battery after sitting all night

4 Answers
35,335

lrodri911 answered 5 years ago

Something is staying on. Check all accessories and lights to make sure they're not staying on.

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Braxten19 answered 5 years ago

Check for bad light bulbs. Maybe you have one on and don't even know it.

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Guru138TR answered 5 years ago

I just bought an 04 a4 and it had the same problem. Garage said it was either the temperature sensor or fan relay. The fan would just come on out of nowhere while sitting and drain the battery.

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