Question about 1999 Audi A6

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Check engine light and red battery light is on. help!

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OK, if the red battery light is on, this indicates that the alternator is definitely bad (or belt is broken).

If the check engine light is on, have the computer scanned with an OBD-II compliant scanner (1996 year model and up) so that you can determine what system to change parts in.

Wish you luck in this repair.

Posted on Sep 13, 2010

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