Vehicle Data Hub

2023 Hyundai Sonata fuel system problems

44 complaints about fuel system have been filed for the 2023 Hyundai Sonata, which is 30% of all its NHTSA complaints. It is the most reported problem area for this model year.

At a glance

Complaints
44 30% of this year's complaints
Crashes and fires
1 and 0
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

What the data shows

These complaints mention 1 crash.

What owners wrote

Recall 286 my vehicle suffered from this causing heat module failure misfire in cylinder 2 and high pressure in gas tank. Sports Hyundai had previously done a 180 day repair under recall 9b1 for an expanded gas tank after the repair the car suffered from the updated recall 286 . I brang to the dealership 4 times with check engine and misfires and limp mode between 57k and 68k they refused to fix the car under recall 286 and cleared all the codes and continued to make me leave in a unsafe car.

February 2026 Crash

The contact owns a 2023 Hyundai Sonata. The contact stated that while driving at 35 MPH, the fuel mileage abnormally increased from 320 to approximately 431. An unknown message was displayed, and the contact received a notification on the Mobile App about a diagnostic trouble code for the EVAP sensor. The vehicle was taken to the dealer, where it was diagnosed, and determined that the EVAP system valve was stuck open.

Reported at 73,245 miles, August 2025

Other problems reported for the 2023 Hyundai Sonata

Fuel system problems in other years

Fuel system problems across all Hyundai models