Check engine light in conjunction with a popping noise, abnormal smell from the engine compartment, rough...
Hyundai technical service bulletin 21-EM-010H-1 for 2020-2021 Hyundai Sonata.
- Bulletin number
- 21-EM-010H-1
- Component
- Engine and engine cooling
- Summary
- Certain 2020-2021 Sonata (DN8a) vehicles with 1.6T engines may exhibit a check engine light in conjunction with a popping noise, abnormal smell from the engine compartment, rough running, or reduced power due to a misfire.
Owners of these vehicles have filed 67 complaints in the engine category.
Vehicles covered
- Hyundai Sonata 2020-2021 20202021
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