RoadVitals

2013 Audi A6 Engine Problems

Owner-reported complaints naming the engine system, filed with NHTSA

Data refreshed

Engine reportsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
16
Latest Sep 28, 2025
Share of all reportsThis category as a share of every owner report on file for this model year. One report can name more than one component, so the categories overlap.
31%
of 52 total
Crash or fire reportedReports in this category whose submitter recorded that a crash or a fire occurred. The reporter's own answer on the NHTSA form, not a verified finding.
2
Injuries or deaths reportedTotals the submitters entered on their own reports in this category. Not verified by NHTSA and not a casualty statistic.
1

What this page shows

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components. Every record below is an owner-reported complaint about the 2013 Audi A6 submitted to NHTSA — not a confirmed defect, not a recall and not a manufacturer bulletin. 16 reports on file name it.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Owner reports naming engine

Shown in the owner’s own words, exactly as filed

AirbagsEngineFuel system
Filed Sep 28, 2025

IT WAS RECENTLY BEGAN TO LEAK FUEL FROM THE TOP OF THE ENGINE CLOSE TO THE WINDSHIELD. THEN THE WHOLE CABIN SPECIALLY IN THE FRONT WHERE THE STEERING WHEEL BEGAN TO HAVE BAD VIBRATION DURING REVERSED, AND IDLE, ALSO WHEN THE AC IS ON. THEN THERES THE AIRBAG FOR THE PASSENGER, THE LIGHT IS ON, IT USED TO SAY '"OFF" THEN WHEN THE SEAT IS USED IT WILL SHUT OFF. NOW IT JUST STAYS ON. LAST IS THE AC COMPRESSOR SEEMS TO BE RATTLING LIKE A BOLT IS LOOSE. ALL THE RECALLS HAVE BEEN HAPPENING WITH MY AUDI AND STILL MY VIN IS NOT INCLUDED.

NHTSA ID
11690179
Incident
Dec 31, 2024
BrakesDriver assistanceEngine
Filed May 13, 2023

I had my coolant system repaired before I found out there was a recall now my thermostat went bad. My brakes need to be replaced too much and my screw for my radio and system display stopped working every time you change fees it pops

NHTSA ID
11521861
Incident
May 6, 2023
Engine
Filed Jan 27, 2021

OVER HEATING CAUSED BY THERMOSTAT STICKING. THIS PROBLEM WAS COMMON ON THE 2.0 AUDI A6 WHICH WAS RECALL. THE CAR OVERHEATS EVERY TIME I DRIVE. ALSO, I HAD A SPARK PLUG END IP IN THE CYLINDER CAUSING DAMAGE TO THE INNER WALL OF THE ENGINE.

NHTSA ID
11390122
Incident
Jan 25, 2021
Mileage
115,000 mi
ElectricalEngineFuel system
Filed Nov 20, 2020

CAR IS LEAKING & BURNING OIL AND IS HAVING ELECTRICAL PROBLEMS OPEN SHORT TO GROUND I ONLY HAD THE CAR 2 MONTHS THE FUEL SYSTEM IS MALFUNCTIONING MY ENGINE LIGHT & MY EPIC LIGHT IS ON SMOKE IS COMING COMING FROM THE ENGINE & THE ENGINE IS SHAKING ROUGHLY & THESE ARE SOME OF THE RECALLS BUT THERE SAYING THE RECALLS HAVE ALREADY BEEN TAKING CAR OF BUT SEEMS LIKE THE PROBLEM IS REOCCURRING. I WAS IDLED IN A PARKING LOT WHEN THIS PROBLEM STARTED. I FEEL LIKE THIS IS A SAFETY ISSUE AND MY CAR COULD POSSIBLY CATCH FIRE.

NHTSA ID
11375555
Incident
Oct 17, 2020
ElectricalEngineFuel system
Filed Nov 19, 2020

MY CAR WAS STATIONARY AND OIL IS LEAKING FROM THE ENGINE MY FUEL SYSTEM IS MESSING UP. ALSO I'M HAVING ELECTRICAL PROBLEMS CYLINDER 1 MISFIRE OPEN GROUND OR SHORT TO GROUND CIRCUIT .

NHTSA ID
11375329
Incident
Oct 14, 2020
ElectricalEnginePowertrain (other)
Filed Sep 23, 2020

I OWN A 2013 AUDI A6 AROUND 77K MILES. I GOT THE CEL AND BROUGHT IT TO THE DEALER. THERE IS AN INTERNAL TRANSMISSION COOLANT VALUE THAT IS PART OF THE COOLING SYSTEM AND OBVIOUSLY, THAT COMPONENT ALSO HELPS KEEP THE TRANSMISSION TEMPERATURE IN CHECK. THE ISSUE WITH THIS DEFECTIVE PART IS THE VALVE MALFUNCTIONS CAUSING COOLANT TO PENETRATE THE TRANSMISSION CONTROL MODULE AND FROM THERE INTO THE WIRING HARNESS. WHEN THIS HAPPENS, IT IS A CATASTROPHIC MALFUNCTION OF THOSE COMPONENTS AND A POTENTIAL FIRE HAZARD. WATER AND ELECTRICAL DO NOT MIX WELL.

NHTSA ID
11360807
Incident
Sep 21, 2020
Mileage
77,600 mi
ElectricalEngineFuel system
Filed Nov 16, 2019

ISSUES WITH ELECTRICAL CABLES MORE THAN ONCE, ALSO FUEL EXHAUST ISSUE AND COOLING SYSTEM. VEHICLE STATIONARY AND OR DRIVING UNDER 50 MILES.

NHTSA ID
11280529
Incident
Nov 16, 2019
Engine
Filed Jan 18, 2019

IN LATE DECEMBER 2017 OUT OF NOWHERE, MY CAR BEGAN TO DISPLAY THE WARNING, 'TURN OFF ENGINE AND CHECK COOLANT LEVEL' (PHOTO ATTACHED) ; THIS WAS VERY ALARMING AS I TAKE VERY GOOD CARE OF MY CAR AND HAVE HAD ALL OF THE REQUIRED MAINTENANCE DONE AT THE DEALERSHIP. I IMMEDIATELY CALLED AND HAD AN APPOINTMENT SCHEDULED AT THE DEALER. JUST A FEW DAYS LATER ON JANUARY 5, 2018 I TOOK MY CAR IN FOR SERVICE AND WAS TOLD THAT THE WATER/COOLANT PUMP NEEDED TO BE REPLACED (ATTACHED). UNFORTUNATELY, I FELT THAT THE COST WAS TOO MUCH AT THE DEALER AND I TOOK MY CAR TO A REPUTABLE MECHANIC IN THE AREA WHO REPLACED THE WATER/COOLANT PUMP. TO MY SURPRISE IN SEPTEMBER 2018, AUDI ANNOUNCED A RECALL FOR THE WATER/COOLANT PUMP. TO MY UNDERSTANDING, THIS MEANS THAT THEY ARE LIABLE FOR ANY DAMAGED PUMP. WITH THAT BEING SAID, I WOULD ASSUME THAT ANY ISSUES RELATED TO THE PUMP SHOULD ALSO BE COVERED UNDER THAT RECALL. AS NOTED ON MY SERVICE MEMO FROM THE AUDI DEALERSHIP WHEN I HAD MY CAR INSPECTED FOR THE WARNING 'IF NOT REPLACED, THE ENGINE'S COOLING SYSTEM WILL NOT BE OPERATING EFFICIENTLY AND AT THE PROPER TEMPERATURE RESULTING IN CATASTROPHIC ENGINE DAMAGE.' IN FEBRUARY 2018, A LITTLE OVER A MONTH AFTER HAVING MY CAR'S WATER/COOLANT PUMP REPAIRED, THE CAR STARTED TO IDLE WHEN I TRIED TO PULL OUT OF MY DRIVE WAY. NOT EVEN A BLOCK AWAY AND THE CHECK ENGINE LIGHT FLASHED ON AND OFF AND THE CAR CUT OFF WHILE DRIVING AND STOPPED IN THE MIDDLE OF THE STREET. I WAS SO SCARED, BUT RELIEVED THAT I WAS NOT HIT BY ANOTHER CAR. I WAITED A FEW MINUTES AND WAS ABLE TO GET IT BACK TO MY HOME WHERE I IMMEDIATELY HAD IT TOWED TO MY MECHANIC WHO TOLD ME I NEEDED TO REPLACE THE ENGINE. I DIDN'T HAVE HIM DO THE REPAIRS, BUT I THEN HAD IT TOWED TO THE AUDI DEALER WHO TOLD ME THE SAME THING, TO REPLACE THE ENGINE.

NHTSA ID
11170758
Incident
Feb 14, 2018
Mileage
60,000 mi
Engine
Filed Nov 15, 2018

TL* THE CONTACT OWNS A 2013 AUDI A6. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 18V229000 (ENGINE AND ENGINE COOLING). THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. AUDI SHREWSBURY (780 BOSTON TURNPIKE, SHREWSBURY, MA 01545, (508) 581-5800) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID
11151798
Incident
Aug 1, 2018
BrakesEngine
Filed Nov 11, 2018

VACUUM PUMP OIL LEAK (06J145100G). 76K MI, FOUND VIA MULTI POINT INSPECTION ON 10/25/18 (AUDI OF HONOLULU). VEHICLE PROD DATE: 07/2012, ENGINE CODE: CAEB, TRANSMISSION: 0BK, QUATTRO AWD. THE VACUUM PUMP, LOCATED AT THE REAR OF THE ENGINE IS LEAKING MOTOR OIL. EITHER THE INTERNAL SEALS OF THE PUMP OR GASKET IS FAULTY. MOTOR OIL IS LEAKING ONTO THE EXHAUST, TRANSMISSION, FIREWALL INSULATION, ENGINE BELLY PAN, TRANSMISSION MOUNTS/CROSSMEMBER, TRANSMISSION BELLY PAN, AND LOWER REAR OF ENGINE. UNDER MODERATE BRAKING, WHITE SMOKE WOULD APPEAR FROM UNDER THE HOOD (PRESSURE FORCING THE OIL THROUGH THE PUMP SEALS, WHICH THEN LEAKED ONTO THE EXHAUST.) BRAKING POWER IS SOMETIMES DIMINISHED DUE TO LACK OF VACUUM POWER TO BRAKE BOOSTER (AIR LEAK). AFTER SHUTTING OFF ENGINE (AFTER NORMAL DRIVING), A BURNT SMELL WOULD APPEAR (WHOLE CARPORT WOULD SMELL). EST COST OF PARTS + LABOR, $1K(AUDI OF HONOLULU). VEHICLE IS LESS THAN 10 YEARS OLD AND OUT OF WARRANTY. I'M HIGHLY CONCERNED OF A POTENTIAL FIRE HAZARD AND REDUCED BRAKING ABILITY.

NHTSA ID
11150834
Incident
Oct 25, 2018
Mileage
76,000 mi
Engine
Filed Nov 2, 2018

VEHICLE BEGAN SHAKING, DRIVING VERY ROUGH AND CHECK ENGINE LIGHT CAME AND EPC LIGHTS CAME ON THE DASH. CAR WAS NOT DRIVABLE. THIS HAPPENED LESS THAN TWO MONTHS AFTER I HAD THE WATER PUMP REPLACED FOR LEAKAGE AND FAILURE (WHICH HAS NOW BEEN RECALLED). I BELIEVE THE TWO ARE CONNECTED, BUT AUDI CHARGED ME A TO REPLACE THE ENGINE. I FEEL THAT THE ENGINE FAILURE WAS A DIRECT LINK TO THE ISSUE WITH THE PUMP.

NHTSA ID
11144967
Incident
Feb 27, 2018
Mileage
63,267 mi
ElectricalEngine
Filed Jul 10, 2018

FOR CUPLE DAYS WHEN EVER I TURN ON THE AC I CAN SMELL LIKE SOMWTHING IS BURNING N TOOK IT DEALER THEY COUDNT FIND OUT WHAT IS GOING ON N RECENT I FOUND OUT ITS RECALL AND I HAVE 6 MONTH BABY I DONT FEEL SAFE TAKING HIM IN THAT CAR AND I TRY TAKING BACK TO AUDI DEALER IN FREMONT TO SELL THY WONT TAKE IT SAYING IT HAS RECAL N ALL

NHTSA ID
11110651
Incident
Jul 10, 2018
Mileage
59 mi
Engine
Filed Jul 2, 2018
Fire reported

TL* THE CONTACT OWNS A 2013 AUDI A6. WHILE DRIVING AT AN UNKNOWN SPEED, SMOKE COULD BE SEEN COMING FROM THE ENGINE COMPARTMENT. THE ENGINE OVERHEATING WARNING INDICATOR ILLUMINATED DURING THE FAILURE. THE DEALER (AUDI VALENCIA, 23923 CREEKSIDE RD, VALENCIA, CA 91355, (661) 735-1778) INFORMED THE CONTACT THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 18V229000 (ENGINE AND ENGINE COOLING). THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE COOLANT PUMP FAILED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN A RECALL. THE FAILURE MILEAGE WAS 61,871. *TT

NHTSA ID
11105119
Incident
Jun 6, 2018
Mileage
61,871 mi
Engine
Filed Sep 15, 2015

EXCESSIVE OIL CONSUMPTION. UNDER NORMAL DRIVING CONDITIONS, THE ENGINE LIGHT CAME ON TO ADD 1 QUART OF OIL 3,000 MILES BEFORE THE NEXT SERVICE INTERVAL. ONLY 22,000 MILES ON THE CAR.

NHTSA ID
10763846
Incident
Aug 18, 2015
Mileage
22,000 mi
AirbagsBody & structureEngine
Filed Oct 11, 2014
Crash reported1 injury reported

I WAS ENTERING MY GARAGE AND THE CAR KEPT ACCELERATING. I SLAMMED INTO ANY FRONT WALL DOING LOTS OF DAMAGE TO THE STRUCTURES IN AND OUT AS WELL AS TO MY BODY. MY CAR WAS TOTALED. MY FIRST ACCIDENT EVER AND THE SCARIEST MOMENT OF MY LIFE. I HAVE HAD PRIOR ACCELERATION/DECELERATION ISSUES WITH THIS CAR. ON AT LEAST 6 OCCASIONS, I WAS GOING DOWNHILL APPROACHING A STOP SIGN AND THE CAR SEEMED TO STOP RESPONDING (STEERING, BRAKING, ENGINE) AND YET THE RPM'S WERE GONG HIGHER AND THE ENGINE WAS RACING. VERY FRIGHTENING SINCE YOU DID NOT KNOW WHAT WOULD HAPPEN NEXT!!! *TR

NHTSA ID
10644104
Incident
Sep 25, 2014
Mileage
19,000 mi
Engine
Filed May 13, 2013

THIS DOES NOT REFER TO ANY SPECIFIC INCIDENT. AFTER PURCHASING THE CAR I BEGAN TO NOTICE THAT WHEN I ACCELERATED FROM A STOP, THE CAR ALWAYS SURGED AHEAD AFTER A FRACTION OF A SECOND. I WAS TOLD THAT THE TURBOCHARGER ON THE 2 LITER ENGINE "SPOOLED" AT 1600 RPMS AND CAUSED THE SURGE. IT IS A VERY UNCOMFORTABLE FEELING TO FIND THE CAR SURGING AHEAD WHEN YOU JUST TOUCH THE GAS PEDAL SLIGHTLY. WHEN YOU'RE STOPPED IN BACK OF ANOTHER CAR, THE CAR SURGES AHEAD AND YOU HAVE TO BE VERY WARY OF "REAR ENDING THE OTHER CAR. UNFORTUNATELY, IT IS MY UNDERSTANDING THAT THIS SURGE IS A NORMAL PART OF THE TURBOCHARGER, BUT IT CREATES A DEFINITE POSSIBILITY OF A SLOW SPEED COLLISION. *TR

NHTSA ID
10511651
Incident
Mar 27, 2013
Mileage
15 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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Elsewhere on this vehicle

Data sources

Data on this page last refreshed .