04 Audi A4 Quattro. Runs rough. No CE light. Vibrates at idle. And no power. Audi dealer scanned and no problems???? If I was a guessing man I think it runs on 5 cyls at best. No CE light. I have never driven a 3.0L A4, but I know a 99 4 cyl that is a rocket. ...

FIX posted 8/27/2008

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