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2003 Audi A4
Worst 2003 A4 engine Problems
Click on a problem below to read more.
- engine sludge1
- insufficient lubrication to head, causing engine failure1
- loss of power1
- NHTSA: Vehicle Speed Control14
- NHTSA: Engine And Engine Cooling12
- NHTSA: Vehicle Speed Control: Accelerator Pedal7
- NHTSA: Engine2
- NHTSA: Engine And Engine Cooling: Engine2
- NHTSA: Engine And Engine Cooling: Engine: Gasoline1
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Compare Audi A4 Model Years
Curious how the 2003 A4 compares to other years?
Check out our Audi A4 overview to see the most problematic years, worst problems and most recently reported complaints with the A4.