2003 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Audi A4 Quattro
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2003 Audi A4 Quattro ProblemsCheck Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
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. As a precaution, it is recommended to inspect the timing belt and water pump at regular intervals.
2003 Audi A4 Quattro QuestionsI have a check engine light prompted by a P0501 (1 answer)
My speedometer is not working (weeks ago, it was on and off but now it's just off all the time. I replaced the Vehicle Speed Sensor with no luck, as well as F/L ABS Sensor. Any suggestions on what the next move should be?