Problem Reports

Audi A4 Quattro

Report: Water From Clogged Sun Roof Drains May Damage Control Modules

• ABS 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.

  Common Problems > Audi A4 Quattro

• Rainwater May Accumulate in Plenum Tray Due to Clogged Drains
  Clogged drains can allow rainwater to accumulate in the plenum tray (at the base of the windshi...

  Common Problems > Audi A4 Quattro

• Inspection of Water Pump and Timing Belt
  The water pump may fail resulting in engine overheating and possible timing belt damage. Overheating and/or timing belt failure can result in very expensive engine repairs. A...

  Common Problems > Audi A4 Quattro

• Do I need a new water pump?
  My car is in the shop for a coolant issue, the coolant light came on and it started beeping so...

  Q&A > Audi > 2004 Audi A4 Quattro

• Burning smell from replaced coil; now engine won't start.
  My engine was misfiring at low rpms. My mechanic replaced all coils and plugs and then detecte...

  Q&A > Audi > 2002 Audi A4 Quattro