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Low Voltage Issue

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Old Feb 7, 2023 | 03:01 PM
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datiger69's Avatar
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Low Voltage Issue

Suddenly, my 2005 8 showed low voltage (10v) while driving. It was okay (13v) when I left the house. Replacing the battery did not help. The car will start, but it is very rough. I am not driving it. I have a battery and e-brake light on the cluster. This is very strange.

Has anyone ever seen this before? Thanks.
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Old Feb 8, 2023 | 10:28 AM
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Pal215's Avatar
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Originally Posted by datiger69
Suddenly, my 2005 8 showed low voltage (10v) while driving. It was okay (13v) when I left the house. Replacing the battery did not help. The car will start, but it is very rough. I am not driving it. I have a battery and e-brake light on the cluster. This is very strange.

Has anyone ever seen this before? Thanks.
Your alternator is likely bad. Once you replace it, it should fix these issues.
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