RepairPal's independent, master mechanics track down the best of the best in auto repair. Learn more »
Get the latest advice about your car
What could cause the engine light is on?
This means that you have a fault code in your computer. It needs to be scanned and interpreted.
Q&A > Audi > 1998 Audi A4 Quattro
Common Problems > Audi A4 Quattro
Q&A > Audi > 2007 Audi A4 Quattro
Q&A > Audi > 1999 Audi A4 Quattro