One or more misfire DTCs due to the GDI injectors leaking internally
Hyundai technical service bulletin 25-FL-001H for 2021-2023 Hyundai Sonata, 2021-2022 Hyundai Santa Fe and 2022-2023 Hyundai Tucson and others.
- Bulletin number
- 25-FL-001H
- Component
- Fuel/propulsion system
- Summary
- Some vehicles equipped with a 2.5L GDI Theta III engine (non-Turbo) may exhibit one or more misfire DTCs due to the GDI injectors leaking internally. This may be caused by internal filter breakage in the injector. Follow the procedure in this TSB to replace all 4 injectors on affected vehicles, using the kit in the Parts Information section.
Owners of these vehicles have filed 331 complaints in the fuel system category.
Vehicles covered
- Hyundai Sonata 2021-2023 202120222023
- Hyundai Santa Fe 2021-2022 20212022
- Hyundai Tucson 2022-2023 20222023
- Hyundai Santa Cruz 2022 2022
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