Common Engine Problems

  1. Oil Starved Turbochargers

    The twin-turbochargers in Audi's 4.0L V8 engine can become starved of oil because of a clogged filter. This can cause strange acceleration noises, difficulty starting the engine, or sudden stalls.

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  2. Excessive Oil Consumption

    It's normal for cars with six-figure odometer readings to burn a little oil. But recently a few automakers have been building specific engines that require a topping off of the oil reservoir in between changes. Audi tries to tell you this i…

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  3. Busted Timing Chains

    Audi's EA888 2.0-liter engine has a history of tensioner problems in its timing chain. The loose chain is to blame for multiple occurances of catastrophic engine failure. Audi was forced to offer settlement offers, including an extended war…

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  4. Start-Stop Defects

    There are multiple problems with Audi's start-stop technology that outweigh the modest fuel efficiency gains. Owners complain that the system will shut off the power steering and brake systems at dangerous times and cause the accelerat The …

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  5. Turbocharged Oil Sludge

    From 1997-2005, Audi 1.8-liter turbocharged engines came with a tiny 3.7 quart oil capacity. That’s simply not a lot of oil to cool down this hot engine. In 2004, following numerous sludge complaints, Audi extended the warranty on some of…

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Where Engine Complaints Happen

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Models

  • A4 119 (100%)
  • Q5 52 (44%)
  • A6 17 (14%)
  • A5 17 (14%)
  • A3 12 (10%)
  • S4 7 (6%)

What Audi Owners Say About Their Engine

Oil Starved Turbochargers

Vehicle was in motion when it started shaking roughly. The car stalled and wouldn't turn back on. I had it towed home and was able to diagnose seized turbo compressors. Replaced the turbos which fixed the problem but at an enormous cost.

Oil Starved Turbochargers

The turbos on the car both broke at the intermediate shaft before 75,000 miles. The car was cruising on the freeway, and the moment I slowed down to take the exit, the car lost power and shut down. I had to make an emergency stop on the side of the exit with little to no room to pull over.

Recent Engines News

There's a lot of news out there, but not all of it matters. We try to boil down it to the most important bits about things that actually help you with your car problem. Interested in getting these stories in an email? Signup for free email alerts over at CarComplaints.com.

  1. Another Audi start-stop lawsuit has been dismissed

    after the judge ruled that the owner's manual clearly states the Start-Stop system may turn off the engine before the car comes to a complete stop. Is that all it takes to win in court? Be prepared for your next owner's manual to say "cars might catch on fire due to thermodynamics" just to cover all the bases.…

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  2. The A4's 4th generation runs from 2008 to 2015. Owners really love the blend of luxury, sport, and practicality, but there are a few issues that make the cars tough to recommend.

    76% of all the owner complaints about this generation are about the engine and they happen, on average, around 65,756 miles.[1] Three of these engine complaints really stand out, particularly in the 2009 to 2011 model years.…

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  3. A Virginia based lawsuit says Audi's start-stop system suffers from defects that cause delayed acceleration or lurching that can put occupants in danger.

    The plaintiffs say that Audi HQ and dealerships will just tell owners to deactivate the start-stop system if they don't like it, but the system starts up automatically each time the ignition is pressed and must be manually deactivated by pressing a separate burden. Something the case refers to as a inconvenience and mandatory burden that is not disclosed to the Class Members ar the time of the sale.

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  4. Audi coolant pumps have been recalled (twice!) but their replacements aren’t ready yet.

    So what’s an owner who can’t drive their car supposed to do? Wait, apparently.

    A new lawsuit wants Audi to at least pony up for free loaner vehicles. Heck, I’m guessing some owners would even take an actual pony. Anything to get to work without starting a fire!…

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  5. The lead plaintiff in Anzhelya Makaryan, et. al., v. Volkswagen Group of America, Inc. says a design defect in Audi's start-stop system allows vehicles to rollaway.

    The rollaways happen because the start-stop system won't deactivate if the driver takes off their seat belt for any reason while the vehicle is stopped.

    To make matters worse if that the system won't work even if the driver re-buckled their seat belts.

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  6. Finally! Some news about Audi that doesn't involve diesel emissions or Takata airbags.

    I mean this does involve your engine potentially catching on fire, but we have to start somewhere. From CarComplaints.com:

    "In 2015 and 2016, Audi learned of incidents involving overheating in the engine compartments, so an investigation was opened in 2016 to track down the problem. Engineers determined foreign materials and debris could block the coolant pumps, leading to overheating, smoldering and a severe risk of fire."…

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  7. A judge has given VW's diesel settlement preliminary approval

    , which means owners of 2-liter diesel Volkswagen and Audi vehicles are one step closer to the end of this mess.

    "Judge Charles Breyer already gave preliminary approval to the $15 billion settlement that will see about $10 billion go to U.S. car owners and about $5 billion to cover environmental damages. Now the judge says he is inclined to finalize the settlement terms by October 25, 2016, at least for the most part."…

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  8. The Audi A8's engine is leaking antifreeze onto all the wrong places and rather than catch on fire, the car is retreating into "limp home mode."

    "The automaker says about 9,100 Audi A8 cars have problems that can cause the engines to stall. The 2010-2013 Audi A8 vehicles have coolant valves that can leak and allow antifreeze to enter the engine control modules."…

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  9. The Green Mountain State is seeing red.

    "Vermont has turned down Volkswagen's U.S. emissions cheating settlement offer and opted to sue Audi, Porsche and VW for showing a "blatant disregard" for the protection of the state’s natural resources and the health of its residents."…

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  10. A German newspaper says Volkswagen has been cheating again.

    This time using unapproved software on its 3-liter diesels. Oh, wünderbar.

    "The programs are allegedly used to shut off nitrogen oxide emissions controls after 22 minutes, about two minutes longer than the 20 minutes it takes to perform a typical emissions test. If true, emissions regulators would see normal emissions levels on test machines, then after about 22 minutes the emissions levels will shoot up."…

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  11. Hey emission-wagön owners, VW has setup a special website just for you and the whole thing is ... rather complex.

    There are a good amount of details available now, but those could change up until the final settlement. VW promised to have the final calculations automated on VWCourtSettlement.com by the end of the month.…

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