2016 Audi A6 Fuel system Problems
- Complaints
- 9about this part
- Share
- 18%of 51 total for the year
- Median mileage
- 59,120miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the fuel system of the 2016 Audi A6, 18% of the 51 complaints for this model year. Where a mileage was given, the median is 59,120 miles. 1 a fire, according to the filers. 1 recall campaign on record is 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.
“There is a recall out for “2016 Audi A6 vehicles” the recalls are “fuel system rail” as well as “coolant pump”. Both recalls are vin specific and what I find to be devastating is that both recall risk pertains to possible fire! I have the exact issues with my vehicle I even have the epc light coming on and the code is “fuel rail system” I also have an ongoing issue with my coolant system. …”
NHTSA complaint #11727798, filed 2026-03“I’ve stated to dealer I’ve been having ongoing problems with my vehicle and they failed to fix the issue , while refueling the fuel nozzle stops and fuel spills. They said it’s safe to drive it’s just a sensor that needs to be moved”
NHTSA complaint #11514481, filed 2023-03“Audi recalled 2012-2015 A6 cars with the 2.0l tfsi engine, along with other Audi models, due to faulty coolant/water pump (NHTSA recall # 18v-229 mfg recall #19n3/19n4). For the A6, the bracketing was for cars built from 4/4/2011 - 12/22/2014. The bracketing for other models impacted by the recalled varied from 2012-2017. My A6 2.0 was built in feb 2015, but was classified as a 2016 model. On 8/28/2019 my check engine light turned on. I took the car into my Audi dealership for servicing. …”
NHTSA complaint #11256340, filed 2019-09“The contact owns a 2016 Audi A6. The contact stated that while refueling, the gas nozzle would frequently stop, causing gasoline to leak from the vehicle. The vehicle was taken to a dealer where it was discovered that the fuel tank sensor needed to be moved to another location on the vehicle. The contact was provided an estimate for the repair; however, the contact declined to seek a second opinion. The contact was assured by the dealer that the vehicle was safe to be driven. …”
NHTSA complaint #11515926, filed 2023-04, 48,000 miles“The contact owns a 2016 Audi A6. The contact stated that the vehicle had shuddered and failed to accelerate on several occasions. There was no warning light illuminated. Additionally, the contact stated while driving at an undisclosed speed, the vehicle emitted an abnormal sound. The vehicle was taken to an independent mechanic where it was diagnosed that the spark plugs and the fuel rails needed to be replaced. The spark plugs were replaced. However, the fuel rails were not replaced. An unknown dealer was notified of the failure and an appointment was scheduled. …”
NHTSA complaint #11479044, filed 2022-08, 70,240 milesRelated recalls
- 19V035000Jan 16, 2019Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails…Covers: Audi A6 2016–2018, A8 2015–2018, Q7 2016–2018 +1 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.
- 11007301Aug 30, 2024This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol.
- 11007220Aug 30, 2024This bulletin provides information when there are functional restrictions or driving behavior due to diesel detected in petrol.
- 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.
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 2016 Audi A6
17 complaintsAir bags
8 complaintsElectrical system
8 complaintsTransmission and drivetrain
5 complaintsBrakes
4 complaintsOther or unknown
3 complaintsVehicle speed control
3 complaintsEngine cooling
2 complaintsForward collision avoidance
2 complaintsSteering
2 complaintsBody and structure
2 complaintsElectronic stability control
1 complaints
← All problems reported for the 2016 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