Audi A6 Fuel System Problems

Fuel System complaints by model year

Which parts fail

• Storage › Tank assembly
  54
• Delivery › Fuel pump
  11
• Storage › Fuel gauge system
  10
• Delivery
  5
• Storage › Tank assembly › Filler pipe and cap
  4
• Storage
  4
• Storage › Tank assembly › Mounting
  2
• Fuel injection system › Injectors
  1

Components named in complaints (fuel pump, injectors, fuel tank, hybrid and EV propulsion).

Mileage when the problem started

• Under 25k
  109%
• 25k–50k
  1715%
• 50k–75k
  2018%
• 75k–100k
  2119%
• 100k–150k
  3128%
• 150k+
  1312%

What owners report

February 27, at approximately 1:20am my vehicle caught fire while parked in the driveway after sitting for about 9 hours. The fire originated near the gas tank. The fire department was called, there is a fire report being conducted. Audi was notified.

The EPC light came on in my vehicle and I noticed I started to lose gas faster than normal. Took it to a shop to get diagnosed, they stated that my vehicle was under a recall (Recall #24DP). I called Audi and they said I do not fall under the warranty even though the website said 2016-2018 Audi A6 were under recall. They would not provide any help for me. My vehicle is showing all the signs of the recall. Sometimes the car will accelerate too fast and it is a risk for not only other drivers but me as well. It is just ironic that the same same problem for that recall is happening to my vehicle.

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. A few days after leaving the dealer, the vehicle stalled while driving at a slow speed, with the check engine warning light illuminated. Due to the failure, the vehicle was towed back to the dealer who discovered that fuel had filled up in the evaporation canister sensor which caused the fuel tank and the fuel pump to become defective. …

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. The dealer also informed the contact of prior recall repairs that had been completed on the vehicle. The vehicle was not repaired. The manufacturer was made aware of the failure and informed the contact that they could not assist as the VIN was not included in any recalls. The failure mileage was 70,240.

The contact owns a 2014 Audi A6. The contact stated while driving at approximately 70 MPH, the accelerator pedal was depressed; however, the vehicle stalled. The Electronic Power Control System and the Check Engine warning lights were illuminated. The vehicle was towed to a dealer where it was diagnosed that there was a fuel leak and that the fuel injector, the coolant hose, and the water pump needed to be replaced. The contact researched and was made aware of NHTSA Campaign Number: 17V781000 (Fuel System, Gasoline); however, the VIN was not included. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 181,615.

The contact owns a 2014 Audi A6. The contact stated that there was a fluid leak underneath the vehicle near the exhaust pipe, with a fuel-like odor. No warning lights were illuminated. A certified mechanic inspected the vehicle at the residence, and determined there was a leak in the fuel line. Following the advice of the mechanic, the vehicle was towed to the dealer, where the fuel leak was confirmed. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 152,000.

The contact owns a 2013 Audi A6. The contact stated that after returning to the parked vehicle, the vehicle failed to start after several attempts. The contact stated that the temperature gauge and check engine warning lights were illuminated. The vehicle was towed to the residence. The contact performed a diagnostic on the vehicle and retrieved fault codes for the temperature gauge and fuel delivery system. The vehicle was not taken to an independent mechanic or local dealer to be diagnosed or repaired. The contact was made aware of NHTSA Campaign Number: 17V781000 (Fuel System, Gasoline) however, the VIN was not included in the recall. The manufacturer was not made aware of the failure. The approximate failure mileage was 122,000.

Start smelling gasoline and every day was worse. I bring the A6 for the recall but I just realize that Audi did the 20ar but I remember prior to this recall the car had the 24bz . I tried to call them and my vim soes noy show for this recall . The A6 is with Audi livermore they want me to pay to unmount the gas tank to procedure with a diagnostic. I just know that my car is leaking gas and no response that why tgis happend the car or the tank hasn't received a damaged at all so how this happend . Other option that Audi want is charge 3500 for fix and they pay the 20% wich its not right . Why this Audi A6 2013 3.0 doesn't match like the other A6 for the recall repair u can look video and photos on this link https://www.dropbox.com/sh/sbq6uf4l11hi6bo/aadhnwhal8xkvqpldvhmlj8ua?dl=0

Related recalls (11)

NHTSA investigations