Known issues
Hyundai engine problems by mileage
Known problems of the Hyundai engines covered so far, with the models they are fitted to. Each engine page has the symptoms, fault codes, tests and fixes. More engines are added over time.
Hyundai/Kia 2.0 and 2.4 Theta II
Petrol · 2009–2019Hyundai models: Sonata (YF, LF), Santa Fe (CM, DM), ix35 (2.0), Tucson (2.4, mainly North America)
| Problem | Typical mileage |
|---|---|
| Connecting-rod bearing failure high severity | 50,000–200,000 km 30,000–125,000 miles |
| Carbon build-up on the intake valves (GDI) medium severity | 80,000–180,000 km 50,000–110,000 miles |
Hyundai/Kia 1.6 GDI (Gamma)
Petrol · 2010–2019Hyundai models: i30 (GD), i40, ix35 and Tucson (1.6 GDI), Veloster, Elantra
| Problem | Typical mileage |
|---|---|
| Carbon build-up on the intake valves medium severity | 80,000–160,000 km 50,000–100,000 miles |
| Oil consumption and piston or bearing damage high severity | 80,000–200,000 km 50,000–125,000 miles |
Real Hyundai repair cases
Browse Hyundai casesReviewed cases from colleagues: complaint, measurements, tests and the repair that fixed it.