2020 Hyundai Sonata fuel system, gasoline problems
12 owner complaints filed with NHTSA name the fuel system, gasoline on the 2020 Hyundai Sonata — 7% of all complaints for this model year.
What owners report
“The contact owns a 2020 Hyundai Sonata. The contact stated that while driving at an undisclosed speed with the family inside the vehicle, a strong gasoline odor was inside the cabin of the vehicle. The contact stated that the fuel gauge was lowering quickly. Upon exiting the vehicle, the contact…”
filed Jun 22, 2026
“The contact owns a 2020 Hyundai Sonata. The contact received notification of NHTSA Campaign Number: 25V796000 (FUEL SYSTEM, GASOLINE). The contact stated that while driving 60 MPH, the vehicle was leaking fuel from the fuel tank. There was no warning light illuminated. The dealer was contacted and…”
filed Jun 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- A damaged check valve can allow air to enter the fuel tank, causing it to expand and…Campaign 25V796000 · Nov 17, 2025
Fuel System, Gasoline problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2023 Sonata | 6 | 7% |
| 2022 Sonata | 5 | 5% |
| 2021 Sonata | 11 | 9% |
| 2018 Sonata | 2 | 1% |
| 2016 Sonata | 1 | 0% |
| 2015 Sonata | 9 | 1% |
| 2014 Sonata | 38 | 5% |
| 2013 Sonata | 73 | 4% |
| 2012 Sonata | 14 | 1% |
| 2011 Sonata | 27 | 1% |
| 2010 Sonata | 1 | 0% |
| 2009 Sonata | 9 | 2% |
Other reported problem areas on the 2020 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.