2002 Audi A6 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2002 Audi A6 Quattro

2002 Audi A6 Quattro Problems

Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault

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

Overheating Due to Failing Thermostat

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

ABS Light Due to ABS Control Module Failure

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

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2002 Audi A6 Quattro Reviews

I purchased a 2002 A6 Quattro witjh 164K miles. It needed a battery when I purchased it and after replacing the battery, I went to Auto Works and have a free diagnostic done on the vehicle and determined that I needed an alternatoer. Other than this repair I have had no other issues with this car. Best investment of 4K that I could have made. I wish I had found an Audi before the other ve...
Not a great car.

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