NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
32 reportsClear category filterMileage unknown · Feb 24, 2022
Engine
2016 Hyundai Accent only has approximately 132,000 miles and needs a new engine. Three different mechanic shops (one being a Hyundai dealership) looked at the vehicle and determined that it needed a new engine due to engine knock in lower end of engine. Car was well maintained and serviced regularly. Engine light came on inte…
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2016 Hyundai Accent only has approximately 132,000 miles and needs a new engine. Three different mechanic shops (one being a Hyundai dealership) looked at the vehicle and determined that it needed a new engine due to engine knock in lower end of engine. Car was well maintained and serviced regularly. Engine light came on intermittently but never stayed on to get a code. In early January 2022, engine started to have a loud knock and then codes were P0011, P0014, and P0420. Bank 1 problem, Bank 2 problem, and possible exhaust leak. Decided to change VVT (or oil control valve) and the old one had silver shavings on it (probably aluminum). Shavings possibly from piston slapping and causing wear or camshaft bearing wearing. After reading online I have seen that this has been a common problem with the Hyundai vehicles between years 2015-2017 but the Accent is not on the recall list yet.
NHTSA ODI #11453941
Mileage unknown · Jan 16, 2022
EngineExterior LightingVehicle Speed Control
I Dont no why but my Engine will randomly stall out even in the middle of making a.left or a right-hand turn and it's scary when I a.m. at an intersection intersection and I doll out then I have to shut my car off completely turn it back on and pump the gas. Till it starts . few days later my warning lights came on the meters an…
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I Dont no why but my Engine will randomly stall out even in the middle of making a.left or a right-hand turn and it's scary when I a.m. at an intersection intersection and I doll out then I have to shut my car off completely turn it back on and pump the gas. Till it starts . few days later my warning lights came on the meters and lights shot up quick and. Then the car shut down I was so freaked out my husband took it to the dealer ship they stated it was. A tire valve sensor they claimed to have checked all the fluids which i no was not the oil was burnt when i got out and checked old oil they want me to pay before they can repair but tire valve is not the #1 because i had another shop change. Out the stem these random occurrences happen today and warning lights still on. I read these sensor àre covered upto 100,000 miles.
NHTSA ODI #11447692
133,348 miles · Jan 5, 2022
Engine
The contact owns a 2016 Hyundai Accent. The contact’s son stated while driving approximately 65 MPH, the engine started knocking. The contact pulled over and refilled the engine with oil and was able to restart the vehicle. The contact stated that several unknown warning lights were illuminated. The vehicle was towed to a local …
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The contact owns a 2016 Hyundai Accent. The contact’s son stated while driving approximately 65 MPH, the engine started knocking. The contact pulled over and refilled the engine with oil and was able to restart the vehicle. The contact stated that several unknown warning lights were illuminated. The vehicle was towed to a local mechanic where it was diagnosed with needing the engine replaced. The manufacturer was not informed of the failure. The failure mileage was 133,348.
NHTSA ODI #11446321
98,890 miles · Jan 21, 2021
EngineStructure
ME AND MY WIFE WAS DRIVING ON THE FREEWAY TOWARDS SAN ANTONIO FOR NEW YEAR'S. WE WERE ABOUT 130 MILES OUT WHEN THE ENGINE LIGHT STARTED BLANKING ON AND OFF. THE CAR STARTED TO SLOW DOWN SO WE PULLED OVER TO SEE WHAT WAS WRONG WITH IT. WE OPEN THE FRONT HOOD OF THE CAR AND THE ENGINE WAS REALLY HOT. SO WE TOOK IT TO A TECHNICIAN …
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ME AND MY WIFE WAS DRIVING ON THE FREEWAY TOWARDS SAN ANTONIO FOR NEW YEAR'S. WE WERE ABOUT 130 MILES OUT WHEN THE ENGINE LIGHT STARTED BLANKING ON AND OFF. THE CAR STARTED TO SLOW DOWN SO WE PULLED OVER TO SEE WHAT WAS WRONG WITH IT. WE OPEN THE FRONT HOOD OF THE CAR AND THE ENGINE WAS REALLY HOT. SO WE TOOK IT TO A TECHNICIAN WE KNOW AND HAD HIM TO WORK ON THE CAR. AFTER HE RAN A DIAGNOSTIC TEST TO SEE WHAT WAS WRONG WITH THE ENGINE I FOUND OUT THAT WE EITHER NEED A NEW MOTOR OR WE WOULD HAVE TO GET A NEW CAR. FROM MY KNOWLEDGE ONE OF THE SPARRPLUGS WAS NOT CONNECTING SO IT WAS CAUSING THE ENGINE TO OVER HEAR. SO AT SOME POINT THE ENGINE WAS GOING TO BURN OUT. WE SAW SMOKE COMING OUT OF THE ENGINE. WHICH REMINDS ME OF WHEN WE FIRST GOT THE CAR. THE CAR CUT OFF BECAUSE THE ENGINE GOT TO HOT AND STARTED BURNING. *LN*JB
NHTSA ODI #11389235
15 miles · Oct 29, 2020
Engine
WAS DRIVING THE CAR 10-15 MILES FROM HOME. ENGINE STARTED SMOKING. PULLED OFF AND LET THE CAR COOL DOWN. I LIVE IN AZ; IT'S 80 DEGREES OR SO NOW. STARTED CAR AND DROVE HOME. CAR STARTED SMOKING AGAIN AND SHUT DOWN. CALLED LOCAL ROADSIDE MECHANIC FOR HYUNDAI'S. HE LOOKED AT IT AND SAID, IT WAS LEAKING, FAN FROZEN, BROKEN GASKET. …
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WAS DRIVING THE CAR 10-15 MILES FROM HOME. ENGINE STARTED SMOKING. PULLED OFF AND LET THE CAR COOL DOWN. I LIVE IN AZ; IT'S 80 DEGREES OR SO NOW. STARTED CAR AND DROVE HOME. CAR STARTED SMOKING AGAIN AND SHUT DOWN. CALLED LOCAL ROADSIDE MECHANIC FOR HYUNDAI'S. HE LOOKED AT IT AND SAID, IT WAS LEAKING, FAN FROZEN, BROKEN GASKET. HAD THE CAR TOWED HOME. IT'S A 2016. I BOUGHT IT IN JAN 2018 FROM A DEALER IN POCATELLO, IDAHO. IT'S ONLY 4 YEARS OLD, LESS THAN 62000 MILES. IT SHOULDN'T HAVE MOTOR PROBLEMS/ISSUES.
NHTSA ODI #11372306
91,379 miles · Jun 23, 2020
Engine
THE CHECK ENGINE LIGHT CAME ON & FOUND THE ENGINE CLOGGED UP WITH A LOT OF CRUD. OIL LOOKED LIKE IT HAD CAME OUT OF A 1960'S VEHICLE. *TR
NHTSA ODI #11330381
104,000 miles · Aug 21, 2019
Engine
THIS NEEDS TO BE RECALLED YOU ARE ALREADY RECALLING OVER 200,000 CARS UP TO 2015 FOR THE HYUNDAI/KIA ENGINE FAILURE ERROR- BUT THOSE AFFECTED WITH A 2016 AREN'T BEING HELPED. VEHICLE HAS BEEN DEEMED BY A MECHANIC TO HAVE A STOCK FAULTY ENGINE ERROR AND OIL INTAKE!!!
NHTSA ODI #11245427
104,000 miles · Aug 15, 2019
Engine
TL* THE CONTACT OWNS A 2016 HYUNDAI ACCENT. WHILE OPERATING THE VEHICLE, A KNOCKING NOISE WAS PRESENT COMING FROM THE ENGINE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ENGINE RING WAS FAULTY, THE OIL DRAINED OUT, AND THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. CAROLINA HYUNDAI (2…
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TL* THE CONTACT OWNS A 2016 HYUNDAI ACCENT. WHILE OPERATING THE VEHICLE, A KNOCKING NOISE WAS PRESENT COMING FROM THE ENGINE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE ENGINE RING WAS FAULTY, THE OIL DRAINED OUT, AND THE ENGINE NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. CAROLINA HYUNDAI (2431 NORTH MAIN ST, HIGH POINT, NC) WAS NOTIFIED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 104,000.
NHTSA ODI #11244118
90,000 miles · Mar 26, 2019
Engine
TL* THE CONTACT OWNS A 2016 HYUNDAI ACCENT. THE CONTACT STATED THAT THE VEHICLE WAS CONSUMING AN EXCESSIVE AMOUNT OF OIL. THE VEHICLE WAS TAKEN TO MOMENTUM HYUNDAI OF FAIRFIELD (LOCATED AT 2775 AUTO MALL PKWY, FAIRFIELD, CA 94533, (707) 402-5700) WHERE IT WAS DIAGNOSED AS HAVING A NORMAL RANGE MARK WITH THE OIL CHANGE WITHIN 500…
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TL* THE CONTACT OWNS A 2016 HYUNDAI ACCENT. THE CONTACT STATED THAT THE VEHICLE WAS CONSUMING AN EXCESSIVE AMOUNT OF OIL. THE VEHICLE WAS TAKEN TO MOMENTUM HYUNDAI OF FAIRFIELD (LOCATED AT 2775 AUTO MALL PKWY, FAIRFIELD, CA 94533, (707) 402-5700) WHERE IT WAS DIAGNOSED AS HAVING A NORMAL RANGE MARK WITH THE OIL CHANGE WITHIN 500 MILES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 90,000.
NHTSA ODI #11191624
Mileage unknown · Nov 3, 2018
EngineExterior LightingStructureCrashInjury
MY VEHICLE WAS INVOLVED IN A COLLISION YESTERDAY THAT BROKE BOTH HEADLIGHTS, BUCKLED HOOD, KNOCKED THE ENGINE IN TO THE TRANSMISSION, AND BUSTED THE FRONT FAN AND COOLANT. THE AIRBAGS DIDN'T DEPLOY AND NEITHER DID THE SEAT BELT LOCK. THE DRIVER WAS INJURED WITH HIS LIP, NOSE AND FOREHEAD BUSTED BECAUSE THE SAFETY FEATURES DIDN…
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MY VEHICLE WAS INVOLVED IN A COLLISION YESTERDAY THAT BROKE BOTH HEADLIGHTS, BUCKLED HOOD, KNOCKED THE ENGINE IN TO THE TRANSMISSION, AND BUSTED THE FRONT FAN AND COOLANT. THE AIRBAGS DIDN'T DEPLOY AND NEITHER DID THE SEAT BELT LOCK. THE DRIVER WAS INJURED WITH HIS LIP, NOSE AND FOREHEAD BUSTED BECAUSE THE SAFETY FEATURES DIDN'T WORK ON THIS VEHICLE.
NHTSA ODI #11145123