Hyundai Sonata owners have reported 9 diesel fuel system related problems since 1996. Table 1 shows the 4 most common diesel fuel system problems. The number one most common problem is related to the vehicle's diesel fuel system (6 problems). The second most common problem is related to the vehicle's fuel injection system injectors (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Diesel Fuel System problems | |
| Fuel Injection System Injectors problems | |
| Delivery Fuel Pump problems | |
| Delivery Hoses, Lines/piping, And Fittings problems |
The contact owned a 2013 Hyundai Sonata. The contact stated that while the contact's son was driving at an undisclosed speed, the brake pedal was depressed, the vehicle failed to stop as intended. The contact's son noticed an unusual sound coming from the hood compartment. Read details...
The contact owns a 2023 Hyundai Sonata. The contact stated that while driving at approximately 60 mph, the vehicle inadvertently decelerated to approximately 30 mph and stalled. The check engine warning light illuminated. The contact was able to veer the vehicle off the road. Read details...
The contact owns a 2014 Hyundai Sonata. The contact stated while his son was driving at approximately 40 mph the engine warning light illuminated. The contact then stated that the vehicle failed to accelerate past 45 mph. Read details...
2013 Hyundai Sonata. Consumer writes in regard to leaking fuel hose. Read details...