2006 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2006 Audi A4 Quattro
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2006 Audi A4 Quattro ProblemsCheck Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
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.
2006 Audi A4 Quattro QuestionsCheck 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...