2023 Hyundai Sonata fuel/propulsion system problems
37 owner complaints filed with NHTSA name the fuel/propulsion system on the 2023 Hyundai Sonata — 43% of all complaints for this model year.
What owners report
“I own a 2023 Hyundai Sonata SEL. Over approximately three years, the vehicle experienced four separate incidents involving sudden loss of engine power and recurring fuel injector/powertrain problems. Three of these incidents occurred while the vehicle was being driven on interstate highways…”
filed Aug 7, 2026
“Was driving and stopped at a stoplight. When I went to drive it started sputtering and if I wouldn’t have driven into a gas station, it would’ve given out in the middle of the road. It wouldn’t let me switch to drive or reverse , only neutral or park. It threw a code P0301, cylinder 1 misfire. Had…”
filed May 12, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some vehicles equipped with a 2.5L GDI Theta III engine (non-Turbo) may exhibit one or more misfire DTCs due to the GDI fuel injectors leaking internally. This may be caused by internal filter breakage in the injector…
26-FL-001H TSB · Service Bulletin/Repair Instructions · issued Jan 7, 2026
Fuel/propulsion System problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 1 | 2% |
| 2022 Sonata | 22 | 24% |
| 2021 Sonata | 20 | 15% |
| 2020 Sonata | 45 | 25% |
| 2019 Sonata | 12 | 7% |
| 2018 Sonata | 31 | 8% |
| 2017 Sonata | 33 | 4% |
| 2016 Sonata | 33 | 5% |
| 2015 Sonata | 75 | 7% |
| 2014 Sonata | 49 | 7% |
| 2013 Sonata | 134 | 7% |
| 2012 Sonata | 99 | 6% |
Other reported problem areas on the 2023 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.