Audi A4 check engine light reports by year
49 NHTSA complaints describe persistent or recurring check-engine warnings on Audi A4 vehicles. The most reported year is 2002 with 9 reports.
| Year | Reports | Share of narratives | |
|---|---|---|---|
| 2008 A4 | 6 | 3% | |
| 2007 A4 | 6 | 3% | |
| 2006 A4 | 7 | 2% | |
| 2005 A4 | 7 | 3% | |
| 2004 A4 | 7 | 4% | |
| 2003 A4 | 7 | 3% | |
| 2002 A4 | 9 | 5% |
Counts come from keyword analysis of complaint narratives — one complaint can describe several symptoms, and classification is approximate. Raw counts favor years that sold in larger numbers.