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Expert
66 Answers
- Posted on Dec 28, 2010
Re: I have an audi 3.0l 2002 audi a4 avant quattro. I...
The dealer has to "reflash" your 02 sensor light. On some Audi's, the dealer has to reset the O2 code first and if it comes on again, then they will need to replace the cat convertors.
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