2022 Hyundai Sonata: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 25 owner complaints for the 2022 Hyundai Sonata that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11764526 (filed 09/15/2026): “The contact owns a 2022 hyundai sonata. the contact stated that the vehicle was repaired under nhtsa campaign number: 25v796000 (fuel system, gasoline); however, while driving 70 mph and depressing the accelerator pedal, the vehicle decelerated unintendedly. the check engine warning light illuminate…”
- NHTSA complaint ODI #11749200 (filed 07/08/2026): “The engine on a 2022 hyundai sonata developed rod knock at approximately 99,460 miles. the vehicle had been serviced exclusively at an authorized hyundai dealership for its entire life with 12 documented service visits. what failed: the engine lubrication system. two prior events at the dealership …”
- NHTSA complaint ODI #11735677 (filed 05/04/2026): “Our 2022 hyundai sonata experienced multiple issues related to recalls affecting the vehicle’s reliability and operation. due to these ongoing problems, the vehicle was taken to a dealership and has remained out of service and in dealership possession for approximately 90 days. the issues were conf…”
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: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (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 .