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.
Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
2006 Audi A4 Quattro QuestionsWhy is my Low oil pressure light comes on at about 3000 rpm. (1 answer)
3000 rpm' my low oil pressure light comes on. Oil is changed and checked regularly.
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...