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Engine & cooling

2011 Audi A6 Avant Engine problems

Owners have filed 2 complaints about the 2011 Audi A6 Avant's engine & cooling with NHTSA - 10% of all its complaints, most recently on June 15, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
2
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Electrical systemAcceleration & cruise controlEngine & cooling

The car throw a EPC warning light which cause the car to go n limp mode. With doing research ot has to do with the transmission. This cause the car to drive sluggish unable to reverse at times unable to take the car out of park at times. It also cause the car to randomly shut off when reversing or at times when im sitting at a light n i begin to drive the car can randomly shut off at times. Which in my open is unsafe because what if the the person behind me isnt payimg attention and i get rear ended. Ive reached...

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out to Audi dearlership is was told a part was discontiued and to bring it in for them to further diagnostic it. Ive had the codes read and im getting the symptoms of the code i pulled but told that part was discontiued. So i feel like if thats the case Audi should have did a recall on the car.

Filed Incident Electrical system · Vehicle speed control · EngineNHTSA 11744229
Electrical systemEngine & cooling

2011 Audi A6 seems to be overlooked compared to the rest of the Audi's yet the Audi has so many different issues such as timing chain such as water pump, such as brake issues, such as rack pinion yet there hasn't been anyone investigating this in particular make a model it needs to be done for safety reasons. Additionally, I was never contacted for the airbags cars registered DMV and nobody has bothered to inform me of the New airbag issues. What other issues are there brought to one's attention?

Filed Incident Electrical system · Unknown or other · EngineNHTSA 11717713

Audi A6 Avant engine complaints by year

A6 Avant engine problems, every year

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data

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