2023 Hyundai Sonata: Fuel/Propulsion System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 37 owner complaints for the 2023 Hyundai Sonata that list the fuel/propulsion system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11755422 (filed 08/07/2026): “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, creatin…”
- NHTSA complaint ODI #11737351 (filed 05/12/2026): “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 t…”
- NHTSA complaint ODI #11722063 (filed 03/04/2026): “Recall 286 my vehicle suffered from this causing heat module failure misfire in cylinder 2 and high pressure in gas tank. sports hyundai had previously done a 180 day repair under recall 9b1 for an expanded gas tank after the repair the car suffered from the updated recall 286 . i brang to the deale…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Varies
Depends on the specific failure; get a diagnosis first. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .