Known issues
Kia engine problems by mileage
Known problems of the Kia 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 · 2009–2019Kia models: Optima (TF, JF), Sorento (XM, UM), Sportage (SL 2.0, QL 2.4)
| 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 · 2010–2019Kia models: Ceed (JD), Soul, Carens, Sportage (1.6 GDI), Rio
| 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 Kia repair cases
Browse Kia casesReviewed cases from colleagues: complaint, measurements, tests and the repair that fixed it.