2023 Hyundai Elantra Engine Problems
- Complaints
- 20about this part
- Share
- 20%of 101 total for the year
- Median mileage
- 7,645miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 20 complaints about the engine of the 2023 Hyundai Elantra, 20% of the 101 complaints for this model year. Where a mileage was given, the median is 7,645 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“*The engine began sputtering really bad and the check engine light came on. I brought the vehicle to the dealership that I purchased it from and they recommended a fuel system flush and change the spark plugs. I had them change the spark plugs and the check engine was cleared but still sputtered a bit. …”
NHTSA complaint #11722380, filed 2026-03“While driving at highway speeds the vehicle will suddenly decelerate forcing vehicles behind said vehicle to make defensive maneuvers to avoid hitting our vehicle. We have taken the vehicle to the dealership twice for this condition. This time we were told it was the EGR valve, but it was on backorder. We are now forced to drive this vehicle until it is repaired.”
NHTSA complaint #11632815, filed 2024-12“Vehicle is still in my possession and available for inspection upon request. My safety and the safety of others was put at risk due to vibration when braking caused by warped rotors, a vehicle that pulls to one side with an off-center steering wheel, abnormal tire wear including a bald tire with a sidewall bubble, and a transmission that has twice failed and recently felt like it was going to stall while accelerating. …”
NHTSA complaint #11770279, filed 2026-10“2023 Hyundai Elantra SEL. Car has been slow to start this week. When I depress the brake pedal and push to start, it will start then shut off in the middle of starting then I have to try again or it will sputter then fully start but every safety alert and electrical alarm will go off in my car and nothing clears it until I drive for about 5 minutes then they all clear. I went to AutoZone and they said my battery was normal health. …”
NHTSA complaint #11758620, filed 2026-08“A month ago my car started making a knocking noise very loudly at start up, and once driving for about 5 to 8 minutes it kind of stops, my speed doesn't accelerate as normal and if I go over 67 mph feels like I'll lose control. I see Hyundai have a knock sensor recall and from the video on the website my car makes same sound but my 2023 Elantra isn't list on the recall list. I'm the first Original owner of the vehicle only at 80,000 miles”
NHTSA complaint #11771878, filed 2026-10Related service bulletins
- 11038458Oct 8, 2026Some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure…
- 11038456Oct 7, 2026Certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures…
- 11031400Apr 18, 2026Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing…
- 11027036Dec 18, 2025Some Elantra (CN7, CN7A), Kona (OS, SX2), and Sonata Hybrid (DN8 HEV) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 (Cooling System…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 3 | 14% |
| 2024 | 8 | 14% |
| 2023 | 20 | 20% |
| 2022 | 11 | 11% |
| 2021 | 13 | 10% |
| 2020 | 109 | 43% |
| 2019 | 134 | 53% |
| 2018 | 142 | 50% |
| 2017 | 291 | 38% |
| 2016 | 111 | 38% |
| 2015 | 92 | 35% |
| 2014 | 166 | 43% |
| 2013 | 233 | 18% |
| 2012 | 139 | 21% |
| 2011 | 92 | 21% |
| 2010 | 15 | 4% |
| 2009 | 13 | 5% |
| 2008 | 24 | 8% |
| 2007 | 12 | 4% |
| 2006 | 2 | 1% |
| 2005 | 4 | 3% |
| 2004 | 5 | 3% |
| 2003 | 1 | 0% |
| 2002 | 2 | 1% |
| 2001 | 4 | 1% |
| 2000 | 6 | 3% |
| 1999 | 2 | 2% |
| 1997 | 1 | 1% |
Other parts of the 2023 Hyundai Elantra
25 complaintsOther or unknown
23 complaintsForward collision avoidance
20 complaintsBrakes
9 complaintsLane departure
9 complaintsTransmission and drivetrain
9 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsAir bags
6 complaintsVehicle speed control
6 complaintsFuel system
4 complaintsTires
4 complaintsBack-over prevention (rear camera)
3 complaints
← All problems reported for the 2023 Hyundai Elantra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology