2006 Audi A4 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2006 Audi A4 Quattro

2006 Audi A4 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.

Digital Display on Instrument Cluster May Fail

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.

Check Engine Light Due to Faulty Torque Converter

A problem with the torque converter can cause the Check Engine Light to illuminate.

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2006 Audi A4 Quattro Questions

Check Engine Light came on and diagnostics says code P0089. What is the problem? (1 answer)

I have a 3.2 L V6 engine. The diagnostics mentions Fuel Pressure regulator 1 performance. I was on an on ramp getting onto the high way. I shifted up from 5th to 6th gear and then the CEL came on. The car accelerates great and has the power when I want. I don't feel any hesitation. Gas mileag...

Just bought car and noticed at a stop there is a slight popping noise up front (1 answer)

2006 audi a4 Quattro 2.0 turbo, key wont turn in the ignition. whats the reason? (1 answer)

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2006 Audi A4 Quattro Reviews

I love this car. It's the perfect size for city driving (parallel parking is a breeze) and the 4WD takes you to Tahoe in most any conditions. Living in San Francisco, the Quattro is a must - it gives me an extra sense of security on those many rainy days. I opted for the 3.2, 6 cylinder option which gets me on the freeway (and up mountain roads) in no time. I have developed an addiction to ...
I bought my 2006 brand new. Didn't have a problem until I reached 75,000 miles. Now I have an oil leak, my left engine mount is leaking, and my left bushing is cracked. I am wondering if this is just the first of major repair bills, do I fix it, or do I get rid of it. Of all the cars I have had both new and used with miles up to 150,000 I have never had an oil leak. And by the way, the oth...
49000 miles the engine is gone, than the camshaft . Do not buy this as a used car. They do not lost. The mileage is bad, road holding is soso

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