2019 Hyundai Sonata: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 94 owner complaints for the 2019 Hyundai Sonata that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11768871 (filed 10/04/2026): “My car's engine is burning oil. i have maintained service of oil changes and fluids, etc. since i purchased my car. it is not that old in my opinion.…”
- NHTSA complaint ODI #11763290 (filed 09/10/2026): “The contact owns a 2019 hyundai sonata. the contact stated that while driving 55 mph, the check engine warning light illuminated, and the vehicle went into limp mode. the contact stated that the vehicle failed to accelerate above 58 mph. the contact retrieved dtc: p1326 (knock sensor detection syste…”
- NHTSA complaint ODI #11757665 (filed 08/18/2026): “The oil is low, went to get looked at by another mechanic besides dealer cause they want to hit you over the head with prices. was told car burning oil. took to dealer for oil consumption test. had to pay for oil change. came back a little before 1,000 miles and car failed. they charging me 900.00 …”
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)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .