There are 50 owner-reported engine complaints for the 2011 Hyundai Elantrain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
I have a Piston/Engine Defect according to the mechanic at the car shop. Any time any acceleration is applied you can hear the knocking. I believe it should be covered through the class action alleged that 2011-2016 Elantras engines (including the Limited trim) have a piston defect leading to engine failure. A settlement offered extended warranties, engine repairs, and reimbursement. I was unaware and have already spent tons of money towards repairs to the engine over the years. Now I am aware of this lawsuit and would like some kind replacement.
My engine completely stop working.
When I start the engine, I hear pronounced knocking sounds in the engine for approximately 1-2 seconds, and they are quite loud. As the engine warms up, the knocking persists, albeit at a lower volume. The ongoing knocks are not as loud, resembling a consistent noise similar to that of a diesel engine, although it is not a diesel-powered vehicle
10 am Sunday morning going to church I am about 2 miles away from home I started hearing trickled sound at front before entering the freeway. Then about 5 miles before my exit the noise start to get louder and I decided to go 25 mph after I exited the freeway. I stopped at AutoZone parking lot to check and didn't find anything unusual.No engine lights or anything on the dashboard. After 2 hours parked at AutoZone I drove it home at slow speed and decided not to use the freeway so I can keep moving 25 mph max. It's a scary situation and good thing is I'm the driving not my wife. It has closed to 130,000 miles.
The contact owns a 2011 Hyundai Elantra. The contact stated while driving 40 MPH, she heard an abnormal sound coming from the front of the vehicle. The contact stated no warning light was illuminated. The contact was able to continue driving to her destination. The contact took the vehicle to the local dealer, where it was diagnosed with needing a piston to be replaced. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 123,500.
The contact owns a 2011 Hyundai Elantra. The contact stated that the vehicle was serviced at the dealer for an engine failure and after retrieving the vehicle the check engine light would remain illuminated while driving. The vehicle was taken back to the dealer who diagnosed that the engine was again faulty and needed additional repairs. The vehicle was not yet repaired. The manufacturer was notified of the failure. The failure mileage was 109,000.
ENGINE KNOCKING NOISE, EVEN AFTER ENGINE REPLACEMENT BY CAR REPAIR SHOP, ENGINE TICKS AGAIN. ALL 2011 HYUNDAI ELANTRA'S ENGINE TICKS UNNATURALLY.
The 2011 Hyundai Elantra false starts. I’ve changed the battery and gotten a tune up. I’ve taken it into the dealership and paid for a diagnostic, even the Hyundai dealership says they cannot explain why the car is false starting. I believe it is my engine. But why isn’t my car Included in the engine recall?
MY DAILY DRIVER BEGAN TO MAKE A KNOCKING NOISE AND MY DASHBOARD BREAK LIGHT INDICATOR CAME ON. I IMMEDIATELY SCHEDULED SERVICE WITH MY HYUNDAI DEALER. BUT IT DID NOT MAKE THE (2) DAYS WAIT. WHILE DRIVING AT HIGHWAY SPEED THE FRONT END BEGAN TO INTERMITTENTLY PULL TO THE RIGHT AS IF THE RIGHT FRONT BRAKE WAS BEING TAPPED INDEPENDENTLY. WITHIN MINUTES ALL OF THE ELECTRICAL SHUT OFF AND THE ENGINE STALLED. I DRIFTED TO THE SIDE OF THE ROAD. AFTER SEVERAL ATTEMPTS THE ELECTRICAL DID COME BACK ON BUT THE ENGINE WOULD NOT TURN OVER. I HAD THE VEHICLE TOWED TO CLOSEST HYUNDAI DEALER, WHO SAID THE ENGINE NEEDED TO BE REPLACED AND ALL THAT WAS AVAILABLE WAS A USED ENGINE WITH 60,000 MILES ON IT AT AN APPROXIMATE COST OF 5,000.00 DOLLARS WITH NO GUARANTEE THAT IT MAY REQUIRE ADDITIONAL REPAIRS.
ENGINE KNOCKING, POSSIBLE PISTON DEFECT
I WAS TOLD THAT METAL SHAVINGS WERE FOUND IN THE ENGINE BLOCK AND THEY ALSO COVERED MY CAMSHAFT POSITION SENSOR. THE METAL SHAVINGS LEAD TO THE PISTONS NOT GETTING ENOUGH OIL AND IT THREW A ROD, AS A RESULT OF THESE MEDAL SHAVINGS AND LITTLE OIL VISCOSITY. THE CAR WAS IN MOTION, ON THE HIGHWAY.
KNOCKING NOISE ON ENGINE I HAVE DONE ALL THE OIL CHANGE ON TIME IT ONLY HAS 60000 MILES WHAT'S GOING ON A LOT OF PEOPLE ARE COMPLAINING AND HYUNDAI IS NOT DOING ANYTHING I PAYED A LOT FOR THIS CAR MONTHS AGO AND NOW
THE ENGINE IS KNOCKING AT ALL TIMES
DROVE VEHICLE TO DEALER, BOUCHER HYUNDIA OF WAUKESHA AFTER THE CHECK ENGINE LIGHT WOULD GO ON AND OFF WITH CODES P2096 AND P0304. CODES ARE RELATED TO CYLINDER 3 AND 4 MISFIRES. DEALER FOUND ENGINE MAKING A NOISE FROM LOWER END AND RECOMMENDS AN ENGINE REPLACEMENT. DEALER DISASSEMBLED THE VEHICLE TO DOCUMENT POSSIBLE FINANCIAL ASSISTANCE FROM HYUNDAI MOTOR AMERICA. AFTER FOUR WEEKS HMA DECLINED TO PROVIDE ASSISTANCE. THE VEHICLE WAS REASSEMBLED AND RETURNED TO THE OWNER. THE VEHICLE COULD NOT BE DRIVEN OFF THE DEALER LOT, IT STALLED IMMEDIATELY AFTER STARTING. THE EIGHT YEAR OLD VEHICLE WITH 126,000 MILES IS A UNFIXABLE AND HAS LOST MARKET VALUE.
TL* THE CONTACT OWNED A 2011 HYUNDAI ELANTRA. THE CONTACT STATED THAT THE VEHICLE CAUGHT FIRE WHILE PARKED IN THE FAMILY GARAGE. THERE WERE NO INJURIES AND THE FIRE DEPARTMENT PUT OUT FIRE. A FIRE REPORT AND A POLICE REPORT WERE FILED. SMOKE FILLED THE HOME AND THE GARAGE DRYWALL CEILING HAD COLLAPSED AND BLACKENED THE INTERIOR OF THE GARAGE. THERE WAS EXTENSIVE SMOKE DAMAGE TO THE INTERIOR OF THE HOUSE. THE VEHICLE WAS ENGULFED IN FLAMES AND FULL OF WATER. THE FIRE STARTED ON THE DRIVER'S FRONT SIDE OF THE ENGINE. THE EXACT CAUSE HAD NOT BEEN DETERMINED AS OF YET. THE VEHICLE 'S WHOLE FRONT FROM THE ENGINE HAD BEEN BURNED OUT. THE GLASS EXPLODED AND THE VEHICLE WAS RIPPED OPEN USING A JAWS OF LIFE TOOL SO THE FIRE DEPARTMENT COULD PUT OUT THE FIRE FROM THE ENGINE. THE VEHICLE WAS DESTROYED. THE DEALER AND THE MANUFACTURER WERE NOT CONTACTED. THE FAILURE MILEAGE 68,000.
CAR RANDOMLY WOULDN'T START THIS MORNING.
I NOTICED A TICKING NOISE COMING FROM MY VEHICLE. I TOOK IT TO A HYUNDAI DEALERSHIP AND THEY INFORMED ME I WOULD NEED TO REPLACE MY ENGINE. THE VEHICLE HAS 73,000 MILES AND WAS MAINTAINED (OIL ALWAYS CHANGED ON TIME). I BOUGHT THE VEHICLE FROM MY GRANDFATHER AND HAD IT LESS THAN A YEAR. BECAUSE I WAS THE SECOND OWNER, I WAS NOT COVERED UNDER THE 10 YEAR/1000,000 MILE WARRANTY. THE HYUNDAI DEALERSHIP SUBMITTED DOCUMENTATION AND PHOTOGRAPHS OF THE ENGINE TO SEE IF HYUNDAI WOULD COVER ANY OF THE COST OF A NEW ENGINE. HYUNDAI DECLINED TO COVER ANY OF THE COST OF THE ENGINE. I CALLED CUSTOMER SERVICE AND WAS ASSIGNED A CASEWORKER TO LOOK AT THE SUBMITTAL IN GREATER DETAIL. THE CASEWORKER INFORMED ME THEY WOULD NOT COVER ANY OF THE COST REGARDLESS THAT MANY PEOPLE WERE HAVING THE SAME PROBLEMS WITH THEIR ENGINES.
THE ENGINE IN THIS CAR IS KNOCKING SEVERELY. IT'S REALLY BAD UPON START UP AND CONTINUES TO KNOCK.
ENGINE TICKING AT IDLE AND ACCELERATION. HAD LIFTERS REPLACED AND OIL PUMP COSTING $1500. ENGINE CONTINUED WITH TICKING NOISE. BROUGHT IT TO MY LOCAL HYUNDAI DEALERSHIP WHICH IS 2.5 HOURS AWAY. THEY TOLD ME I NEEDED A NEW MOTOR. HYUNDAI HAS DECLINED THE REQUEST RELATED TO MILEAGE AND TIME. REALLY. THIS VEHICLE ONLY HAS 79,000 MILES ON IT. HYUNDAI CURRENTLY HAS A CLASS ACTION LAWSUIT RELATED TO THE TICKING NOISE. HYUNDAI KNOWS THAT THE ENGINES ARE FAULTY BUT REFUSE TO PUT OUT A RECALL. HOW CAN YOU LET HYUNDAI CONTINUE TO RESELL THESE CARS. THIS IS BASICALLY FRAUD. HYUNDAI ELANTRAS FROM 2011-2016 WITH THE 1.8L ENGINE ARE THE ONES AFFECTED. HYUNDAI DOESN'T STAND BEHIND THEIR PRODUCT. I HAVE NEVER HEARD OF A MOTOR GOING WITH ONLY 79,000 MILES ON IT. SOMEONE NEEDS TO DO SOMETHING TO MAKE HYUNDAI ACCOUNTABLE FOR THEIR FAULTY PRODUCTS. TAKE THE VEHICLES WITH THE 1.8L OFF THE MARKET.
KNOWN HYUNDAI ENGINE PROBLEMS THE ENGINE HAS A TICKING NOISE THAT I HAVE FOUND TO BE A MANUFACTURED ISSUE IN HYUNDAI ELANTRAS. THE CAMSHAFT BUSHINGS ARE WORN AWAY AND NEEDS A COMPLETELY NEW ENGINE. ALL OF WHICH IS A MANUFACTURING FAULT. THE TICKING IS AUDIBLE WHEN IDLING AND EVEN MORE SO WHEN THE ACCELERATOR IS PUSHED.
Showing 1–20 of 50 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026