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Audi A4The Audi A4 model offers nimble handling and performance that makes it one of the leading cars in its class. Read more about the Audi A4 in the Audi A4 review.
Put a voltmeter on the battery when the engine is running an veryify if it is actually putting out more voltage than it should. If its over 14V's while running then its probably a bad alternator.