2012 Audi A6 Fuel system Problems
- Complaints
- 11about this part
- Share
- 18%of 60 total for the year
- Median mileage
- 100,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 11 complaints about the fuel system of the 2012 Audi A6, 18% of the 60 complaints for this model year. Where a mileage was given, the median is 100,000 miles. 3 recall campaigns on record are filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Upon starting my vehicle I noticed extended cranking. Upon driving the vehicle I noticed a fuel odor, initially I thought it was the older vehicle driving in front of me. After driving approximately 4 miles I realized it was my vehicle. I then drove my vehicle back to my house, and had it towed to Audi of albany due to recalls that were open. Upon inspection they performed recalls, but informed me the recall for the engine fuel rails was performed june 2015. …”
NHTSA complaint #11193012, filed 2019-04, 100,000 miles“I was driving my vehicle & noticed a fuel smell. When I got to my destination shortly down the road (~1 mile) I inspected my engine for the source of the smell & found fuel leaking down the front of my engine from under the supercharger. After disassembling the top of the engine I found the injector supports to be the old recalled parts (verified with engraved part numbers). I then called the Audi dealer that supposedly performed the recall and explained the situation. They were very dismissive & advised me to bring the vehicle in. …”
NHTSA complaint #11348634, filed 2020-08, 100,000 miles“Ran obd reader myself and at mechanic and found the following; p0456 evap emission control system (very small leak) | leak detected and p190f00 coolant pump for charge pressure cooler | electrical malfunction in load circuit. Mechanic informed that the vehicle needs a software update regarding the p0456 code as no leak was found. Also that only Audi performs this update. …”
NHTSA complaint #11317923, filed 2020-03, 122,000 miles“My car almost overheated on the high on thanksgiving night thank god my brother was behind me driving and took me to go get antifreeze my coolant was leaking and i think my water pump messed up almost a accident cause i was in the middle lane and my vehicle was slowing down on the highway at night”
NHTSA complaint #11498311, filed 2022-12“The contact owns a 2012 Audi A6. The contact stated while pulling out of the driveway, he smelled an abnormal fuel odor. The contact stated that the fuel odor became stronger while driving 65 MPH. There was no warning light illuminated. The contact stated that he pulled into a parking lot and opened the hood. The contact stated that he noticed that the fuel odor was coming from the engine. The vehicle was towed to an independent mechanic, where the check engine warning light illuminated. …”
NHTSA complaint #11545382, filed 2023-09, 102,000 milesRelated recalls
- 17V781000Dec 6, 2017Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Audi A6 and A7 vehicles. The fuel line has a compression point that can weaken…Covers: Audi A6 2012–2014, A7 2012–2014
- 16V646000Sep 7, 2016Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 and Audi A7 vehicles. The affected vehicles have a fuel hose…Covers: Audi A6 2012–2013, A7 2012–2013
- 15V019000Jan 20, 2015Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2011-2012 Audi S4, S5, Q7, 2012 Audi A6, Volkswagen Touareg Hybrid, and…Covers: Audi A6 2012, S4 2011–2012, Q7 2011–2012 +3 more
Related service bulletins
- 11026295Nov 26, 2025This bulletin provides information when the MIL is on, DTC P310B00 in ECM; Vapor pocket formation in fuel system.
- 11020367Jun 26, 2025This bulletin provides information when there is corrosion on the exhaust tail pipes.
- 11007297Aug 8, 2024This bulletin provides service information ror when the fuel tank cannot be fully filled.
- 11007216Aug 8, 2024This bulletin provides service information ror when the fuel tank cannot be fully filled.
- 10231590Feb 6, 2023This bulletin contains instructions for when to add gasoline additives for cleaning the injectors.
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 2 | 29% |
| 2025 | 1 | 17% |
| 2021 | 1 | 6% |
| 2020 | 1 | 4% |
| 2019 | 2 | 2% |
| 2018 | 4 | 36% |
| 2016 | 9 | 18% |
| 2015 | 2 | 9% |
| 2014 | 8 | 20% |
| 2013 | 8 | 15% |
| 2012 | 11 | 18% |
| 2008 | 3 | 4% |
| 2007 | 2 | 4% |
| 2006 | 1 | 1% |
| 2004 | 9 | 26% |
| 2003 | 21 | 32% |
| 2002 | 15 | 17% |
| 2001 | 19 | 17% |
| 2000 | 23 | 16% |
| 1999 | 39 | 18% |
| 1998 | 35 | 27% |
| 1997 | 1 | 5% |
Other parts of the 2012 Audi A6
15 complaintsElectrical system
13 complaintsEngine
13 complaintsTransmission and drivetrain
8 complaintsSteering
6 complaintsBrakes
3 complaintsElectronic stability control
3 complaintsEngine cooling
3 complaintsForward collision avoidance
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaints
← All problems reported for the 2012 Audi A6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology