Select Hyundai and Kia vehicles in the 2020s experienced fuel pump and fuel system defects. Issues included stalling, loss of motive power, and check engine lights (CEL). Remedies included pump replacement, software updates, and extended coverage. Class actions and recalls referenced these defects.
| Year(s) | Make | Model | Should Purchase? | Notes | |
|---|---|---|---|---|---|
| 2020 2021 2022 | Hyundai | Sonata | Caution |
Engine: Theta III 2.5L GDI – G4KN Fuel pump defect → stalling, CEL, loss of motive power Remedy: pump replacement, software updates, extended coverage Legal context: recall campaigns and class action references |
|
| 2021 2022 | Hyundai | Santa Fe | Caution |
Engine: Lambda III 3.5L GDI – G6DP Fuel pump defect → stalling, CEL Remedy: pump replacement, extended warranty Legal context: recall advisories and settlement filings |
|
| 2021 2022 | Kia | K5 | Caution |
Engine: Theta III 2.5L GDI – G4KN Fuel pump defect → stalling, CEL, limp‑mode events Remedy: pump replacement, software updates Legal context: recall campaigns and class action references |
|
| 2021 2022 | Kia | Sorento | Caution |
Engine: Smartstream 2.5L Turbo GDI – G4KH Fuel pump defect → stalling, CEL Remedy: pump replacement, extended coverage Legal context: recall advisories and settlement filings |
|
| 2021 2022 | Genesis | GV80 | Caution |
Engine: Smartstream 2.5L Turbo GDI – G4KH Fuel pump defect → stalling, CEL, loss of motive power Remedy: pump replacement, software updates, extended coverage Legal context: recall campaigns and class action filings |