2009 Audi A4 engine problems
44 owner complaints filed with NHTSA name the engine on the 2009 Audi A4 — 37% of all complaints for this model year.
What owners report
“The turbo sounds like it's not going in/out of gear, oil going into spark plugs, radiator fluid leaking system getting real hot. Low engine poer picking up speed an issue. Air bag rear brake light malfunction, oil pressure not correct”
filed Mar 24, 2024
“Purchased vehicle 8/15/19 at select motors inc, smyrna tn. Clean car fax report. Ongoing oil consumption issues. Intake camshaft locked up following oil consumption test at audi of nashville. Not driveable now. Audi of nashville quoted cylinder head and associated parts, timing chain, tensioner…”
filed Jan 7, 2020
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 01-2026 · Other · issued Jul 9, 2026This bulletin provides informatin when the engine does not run smoothly at idling speeds.
TSB_2075530_2 · Service Bulletin/Repair Instructions · issued Mar 12, 2025This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
A0124482014753_13 · Service Bulletin/Repair Instructions · issued Dec 5, 2024
Engine problems in other A4 years
| Year | Reports | Share |
|---|---|---|
| 2018 A4 | 5 | 11% |
| 2017 A4 | 21 | 39% |
| 2015 A4 | 10 | 53% |
| 2014 A4 | 12 | 39% |
| 2013 A4 | 6 | 25% |
| 2012 A4 | 13 | 68% |
| 2010 A4 | 37 | 58% |
| 2008 A4 | 13 | 7% |
| 2007 A4 | 17 | 9% |
| 2006 A4 | 15 | 5% |
| 2005 A4 | 10 | 5% |
| 2004 A4 | 7 | 4% |
Other reported problem areas on the 2009 Audi A4
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.