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Engine & cooling

2015 Audi A3 Engine problems

Owners have filed 20 complaints about the 2015 Audi A3's engine & cooling with NHTSA - 11% of all its complaints, most recently on August 17, 2026. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Complaints
20
Recalls
0
Crashes
0
Fires
0
Injuries
0
Deaths
0

Engine complaints

Engine & coolingFuel system

I have an appointment at Audi of Richmond on Wednesday 08/19/26 and was told to have the car there on Tuesday the day before the appointment to fix the recalls. I called Audi USA roadside assistance and also the actual dealership about a complimentary tow based of the fact the reason it stop driving was because of one of the recalls. They said they can't cover it because they can't confirm that was the cause that keeps it from driving which confuses me because a fuel pump recall should trigger a stop drive anyway because of fire hazard at the very least. I will upload pictures of the scanner codes that let me know it was the fuel pump recall.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11757471
Transmission & drivetrainEngine & cooling

Blown turbo with propeller broken off lodged into the pre-catalytic converter, which caused damage to the catalytic converter/exhaust requiring a new turbo and a complete new catalytic converter and exhaust system. They also found major oil leaking from the upper timing cover gaskets, which I later found documented on the accounting service record as not repaired at that time few months from my purchase. These known engine damages were a major contributor to the engine failures that I'm faced with today. Oil...

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starvation from known oil leaks, damaged gaskets, and failing parts caused oil starvation of the turbo, constant overheating with coolant and oil problems since purchasing the car and which ultimately froze the turbo and snapped the propeller. I'm still struggling without an operating vehicle for over a year, and trying to afford these expensive repairs, which should've been covered under the 15 year PZEV warranty and/or recalls of these known parts failures. It was at the dealership in plenty of time for the SMOG certification, which was the sole reason for the appointment and it being at AudiSD, which they refused to do. These are extremely expensive repairs, these are known issues with several class action lawsuits and recalls behind them, yet they simply refuse to take ownership, deny any support, and making excuses for their lack of responsibility. I asked several times for them to do the right thing, take the car back and refund my money or give me an equivalent car to what I was promised when I purchased it, they refused and no management has been involved. I deserve to be compensated for my time over the last several years dealing with these repeated issues, compensation for all the parts I have been forced to buy, refunded the amounts I've paid for technicians to truly diagnose the problem and for the repairs I've yet to be able to afford, as well as the towing and other charges I have incurred as a result of purchasing this vehicle from AudiSD

Filed Incident Power train · Unknown or other · EngineNHTSA 11723149
Engine & cooling

The contact owns a 2015 Audi A3. The contact stated while driving at an undisclosed speed, several unknown warning lights illuminated and the engine overheated. There was an abnormal sound coming from the transmission. Additionally, the vehicle was consuming abnormal amounts of coolant without signs of a coolant leak. The contact stated that the engine seized. The coolant reservoir was inspected and there was no coolant in the reservoir. While attempting to start the vehicle, the vehicle failed to start. The...

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vehicle was towed to the residence. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact recently replaced the coolant pump, coolant control valve and the expansion tank. The manufacturer was made aware of the failure. The contact referenced NHTSA Campaign Number: 16V619000 (Engine and Engine Cooling); however, the VIN, nor the model were included. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 122,000.

Filed Incident Engine and engine coolingNHTSA 11679093
SteeringTransmission & drivetrainEngine & cooling

Consumer bought this car at 30,040 miles. The car currently sits with 89,000 miles. I have had 18 recommended service visits totaling $19,240 and then on July 15, 2022 with no pre indicators or warnings the engine dies after a 95k full multipoint inspection that consumer had 3 weeks prior. The car has an impeccable Maintenace record. I did everything the dealer told me; and I still almost died on the 101 fwy going 70 mph on a conference call; the flashers didnt even work; the car dead and came to a hard halt and...

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trucks were screeching around me with smoke coming from their tires because of the extreme hard stop and slamming on breaks, i was screaming for my life praying no one would slam into me. Metro who roams the fwy saved my life; without him i would be dead because of AUDI's HORRIBLY MANUFATCTURED VEHICLE. It seems as though the dealer purposefully sabotages my car as a woman; i have no alternative but to fix it and now they want $27,000 MORE for a new engine AND starter. so, in total; to drive 57,000 miles I've paid $37,000 cash for the car (I own the title)/ plus $19,240 in maintenance /repairs and now they want another 27,000 for the engine. i have no more money to give them. i recently returned my 3rd rental vehicle and i am out of funds on transportation. Ayudame ! How is this ethical? Song and Beverly consumer warranty act sect 1793.2.(d) & (g). California Health and Safety Codes 43204-43205.5. Audis Emission standards. California Code of regulations sect 3396.1-3399.6. Cal Code Regs. tit.16 / 3396.1. Thank you for reading this. ps. i have every receipt and document; so if you need anything further i am so organized it's ridiculous; please don't hesitate to ask.

Filed Incident Steering · Power train · EngineNHTSA 11487306
Engine & cooling

Coolant leak from faulty water pump. This is a known issue from numerous models of Audis and has been the subject of recalls and extended warranty campaigns - but not on this particular model. I was forced to pay for the replacement of this known faulty part out of pocket.

Filed Incident EngineNHTSA 11464759
Engine & cooling

The turbo went out prematurely

Filed Incident EngineNHTSA 11454812
Transmission & drivetrainElectrical systemEngine & cooling

The engine low oil light keeps coming on, the oil has been changed already, I've had the car for more than 7 months I haven't even driven it over 5000 miles yet. Audi needs to fix this. The power train is also the same, some days it works okay and some days it doesn't. The cars struggles sometimes to even reach speeds up to 50 mph.I've taken this vehicle to the Audi dealship as well as to a foreign certified mechanic shop. They can't figure out the problem. The engine light should not be coming on randomly when I have fully serviced the vehicle. Audi please fix these problems.

Filed Incident Power train · Electrical system · EngineNHTSA 11453154
Engine & coolingFuel system

Check engine light came on in october 2020 car was slow to take off for several weeks and seemed to take time to shift gears. Took to audi mechanic and had to replace water pump -w/thermostat housing & intake manifold. Now I'm april 2021 car is back in shop because it wouldn't shift out of 1st gear suddenly when I was driving with my daughter in the car, I pulled over in a parking lot to turn car off and then got an error message stating transmission malfunction cannot reverse and had to have the car towed to mechanic again. I'm told it needs mechatronic unit replaced, replace timing cover due to oil leak, evap leak and wiper fluid is leaking.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11407754
Engine & cooling

After recent car inspection due to recall for passenger occupant detection I was informed that water pump was leaking and it needs to be replaced. Vehicle has only 55 000 miles on it. Other audi models appear to have the same issue and they have been recalled, however no recalls have been issued for audi a3 2015. As a manufacturer audi must take the responsibility for faulty parts and it should replace them on their own expense.

Filed Incident EngineNHTSA 11310473
Engine & cooling

The water pump/thermostat housing is leaking coolant out of the engine. This occurs on nearly all mqb chassis vw/audi's with the ea888 gen 3 2.0 Tfsi engine. It is a widely known issue.

Filed Incident EngineNHTSA 11306575
AirbagsEngine & cooling

Car engine stopped working while in moving down the road. The car would not accelerate above 10 miles per hour. Check engine light came on without warning as the car stopped functioning. Passenger air bag was disengaged and indicated it would not deploy even though a passenger was sitting in the seat. Severe injury could have occurred if the car had been rear ended when the car stopped working. Car had been in for maintenance at all predesignated manufacturer's suggested mileage points without indication of any issues. *Js

Filed Incident Air bags · EngineNHTSA 11257580
Transmission & drivetrainEngine & cooling

Excessive oil consumption car has 2,300 miles left to the 10k oil service check change and showing low oil. This is not normal audi is trying to say to just top off the oil, yet excessive oil consumption will cause the car to need engine replacement earlier than it should at about 70-80-100k miles at best. There are many complaints and a class action that involved this issue but they refuse to do more than change oil and check for leaks when they know it is due to defective parts and I am under a certified warranty until october 2019

Filed Incident Power train · Unknown or other · EngineNHTSA 11218667
Engine & coolingFuel system

Tl* the contact owns a 2015 audi a3. While driving approximately 10 mph, the vehicle shut off without warning. The vehicle was restarted, but the failure recurred and the check engine indicator illuminated. The vehicle was taken to audi north park (210-960-6000, located at 15670 i-35, selma, tx 78154) where the technician diagnosed and replaced the fuel pump. The failure recurred. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure mileage was approximately 42,000.

Filed Incident Engine · Fuel / propulsion systemNHTSA 11161367
Engine & cooling

Lost compression at only 43,670 miles to fourth cylinder. Engine was rebuilt by audi dealer. Found pieces of oil control ring from a piston in oil pan, air leaking through intake, seating surface for intake valve number 2 on cylinder 4 was burnt and unable to seat properly due to spring on that valve being weaker than others.

Filed Incident EngineNHTSA 11083567
Electrical systemEngine & coolingFuel system

Check engine/ epc- both lights have signaled a dozen times. The first few times the dealership called them "misfires". Eventually the car "symptoms" started to progress: when car is idling, car starts to act like it is about to stall. Then it progressed to hard/jerky shifts into 1st or 2nd gear. Now even at higher speeds it starts acting up- giving the feeling that the car may stall. This is a daily issue. Twice now car has failed to accelerate while entering highway. The worst situation occurred when car...

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was bucking and refusing to go into 2nd gear. I had to pull over, on the on-ramp, turn off car and restart. Dash lights fade light/dark constantly. Originally I thought it was an automatic feature, going from day to night time lights. Like everything else it has increased w/ frequency & cannot be connected to change day/night light setting change. Key fob died while I was driving on highway, car stalled on highway. I restarted car using emergency procedure (aligning key fob next to key symbol on drive shaft)- this is meant to keep car running even w/ dead key battery. Car shut off multiple times waiting for tow truck- who then loaded my car while running because it stalled on him too. Did I mention the 4 days prior my car had been at the dealership - so either warning sign didn't correctly notify or they just ignored it. Fixed ignition coil, spark plugs current dealership diagnostic: fault to bad injector somehow none of the recalls that apply to 2015 a3s apply to my vehicle. Even though most of the decriptions apply to car issues.

Filed Incident Electrical system · Engine · Fuel / propulsion systemNHTSA 10993707
Engine & cooling

2015 Audi a3. Consumer writes in regards to vehicle engine compartment fire. *Ld the consumer stated the engine compartment caught fire. The vehicle sat in an open air site without a hood or windows, exposed to the winter elements. 13 Days later it was inspected by the manufacturer, who determined the failure to be due to rodent nesting activity. *Js

Filed Incident EngineNHTSA 10985349
Engine & cooling

Vehicle was in motion on highway traveling at 65 mph. Engine ceased without warning. Absolutely no power or engine noise when accelerating. Vehicle went from 65 to 0 mph in seconds. No steering control as well!! Could have been killed. Head of service at audi dealership says that it happens all the time & audi is doing absolutely nothing. Said do not take car back...They're playing "russian roulette" with your life and won't do anything until someone gets killed.....Updated 06/21/17 *bf *cn

Filed Incident EngineNHTSA 10954092
BrakesEngine & cooling

At 5 months - engine almost overheated. Car towed to dealer where they found the fan and computer module failed and had to be replaced. At 7 months (current issue) - warning light came on and advised that brakes failed. Dealer found that the master brake cylinder failed. Internal camera showed seals failed and were leaking. This car is too new for such a major part to fail this way.

Filed Incident Service brakes · EngineNHTSA 10818824
Engine & cooling

My vehicle suffered loss of power and as a result too much of hesitation , it behaved as if it is about to stop on highway.It is a new car and thought it could be bad gas , changed gas station made sure gas is not an issue and hesitation/loss of power continues. I was about to schedule an appointment for service but dealer called me saying my car's vin number has been listed for an imp update in order to prevent failure of certain components and people in germany are looking forward to get this fixed asap i.E...

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; 18 sept 2015 . I scheduled an appointment on 24 sept 2015 it is not just update but the entire turbo is replaced , month later car is having similar symptoms ,no power/hesitation , intermittently stuttering or misfiring. Audi mechanics kept car for a day (13 nov 2014)and replied they couldn't find the issue and returned the car back to me . I assured them the vehicle had premium gas only and nothing else. I will keep you informed of the status. *Tr

Filed Incident Engine and engine coolingNHTSA 10655336
Engine & cooling

I bought a brand new 2.0 Audi a3 from the dealer this may. I got a low oil warning with only 2700 miles on the car, and the oil is dark and dirty compare to the loner car I got. It has been three times I brought my car back to the service department in the dealer, but they never solved the problem. First time, they toped up the oil. After two weeks, the oil was low again, so I brought it back. This time, they changed a new oil tank cap for me, but two weeks later, the oil was low. I drove it back to the...

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service, this time actually the audi company told me that is because my car is still in break-in period and just topped up the oil again. But as an engineer, I know it cannot be 2 qt per 1000 miles. *Tr

Filed Incident EngineNHTSA 10644326

Audi A3 engine complaints by year

A3 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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