133 of the 1,243 complaints about the Hyundai Sonata (10.7%) concern Fuel system, making it the model's third-largest problem area. That share is 2.5× the Fuel system share across all tracked vehicles.
133Complaints · Fuel system
10.7%Share of complaints
2.47×vs. all vehicles
59Last 12 months
1.5%Share involving a crash or fire
2Related recalls
Analysis
59 Fuel system complaints were filed in the last 12 months versus 34 in the 12 months before — up 74%.
2 of these reports (1.5%) describe a crash or fire, with 6 injuries and 0 deaths mentioned.
2 recall campaigns relate to this area, most recently campaign 25V796000 (2025-11-18, model years 2020, 2021, 2022 and 2023).
The contact owns a 2021 Hyundai Sonata. The contact received notification of NHTSA Campaign: 25V796000 (Fuel System, Gasoline); however, parts were on back order.
Fuel system · 2026-09-17 · ODI 11765048
My vehicle was at a manufacturer‑authorized dealership for a federally mandated recall repair. While the vehicle was in the dealership’s exclusive care, custody, and control, it was struck by a third‑party cleaning vendor operating on dealership property and…
Fuel system · 2026-01-20 · ODI 11712212 · Crash
DESCRIPTION OF SAFETY DEFECT & IMMEDIATE HAZARD:My 2021 Hyundai Sonata SEL is currently exhibiting the most severe, catastrophic symptoms of the fuel tank expansion defect covered under NHTSA Campaign 25V796000.
Fuel system · 2026-09-23 · ODI 11766388
The vehicle was brought to an authorized Hyundai dealer to have Service Campaign TBH and 94B completed. These campaigns were explicitly designed to prevent known mechanical defects (cracked EHRS assemblies and high-voltage battery errors).
Fuel system · 2026-09-18 · ODI 11765311
The low-pressure fuel pump module assembly, located directly beneath the rear passenger seat cushion, experienced a plastic housing failure.
Fuel system · 2026-09-05 · ODI 11762354
My car stalls while driving and then I try to restart it but nothing happens. After reading online about the fuel pump issues and extended warranty related to the fuel pump I took the car in for repair.
Fuel system · 2026-09-04 · ODI 11762281
Excerpts from complaints filed with NHTSA, trimmed for length. The ODI number is NHTSA's record identifier.
Summary: Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
Remedy: Dealers will inspect and replace the check valve. The fuel tank assembly will be inspected for damage and replaced if necessary. Additionally, dealers will inspect and update the engine control unit software. All repairs will be performed as necessary, free of charge. Owner notification letters were mailed beginning March 13, 2026. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 286. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on November 19, 2025.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS Campaign 21V524000 · 2021-07-09 · Model years: 2021, 2022
Summary: Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe and Sonata vehicles equipped with 2.5L turbocharged engines. Fuel may leak at the pipe connection between the high-pressure fuel pump and fuel rail.
Remedy: Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 207.