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 ProblemsMaintain fuel quality to avoid misfires and CEL illumination
Fuel quality must be maintained to avoid engine misfire problems; the misfires may 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.
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...