2004 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Audi A4 Quattro
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2004 Audi A4 Quattro ProblemsABS 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.
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.
2004 Audi A4 Quattro QuestionsWhat makes my front wheels squeak while driving? (1 answer)
Wheels vibrate when driving at a high rate of speed. But the steering wheel doesn't vibrate.
I have a 2006 Audi A4 2.0 t and for some reason the turbo does not work. It also has a sudden lag while driving and does not go past 80 mph. Any ideas what's wrong with it?