2004 Audi A4 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Audi A4 Quattro

2004 Audi A4 Quattro Problems

Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.

The digital display portion of the instrument cluster may fail. Our technicians tell us the entire instrument cluster will need to be replaced to correct this concern.

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

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2004 Audi A4 Quattro Reviews

I bought the car new I had to bring it back to replace the radiator. Twice I had to have it towed back to the dealer because it would not start. The check engine light went on about three times. I had to bring it back to the dealer to find out why. It was bogging down from the stop on acceleration. All of those problems happened when it was still under warranty. After that I had to replace the ...

I love the Car (A4 Avant 3.0). Just bought it so time will tell. So far it's exactly what I was hoping for in an Audi. Unfortunately I have to get the timing belt service done soon. Very pricey on the 6 cylinder.

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