One problem related to fuel injection system injectors has been reported for the 2023 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2023 Hyundai Sonata based on all problems reported for the 2023 Sonata.
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. The contact then stated that after she exited the vehicle, she noticed a white cloud of smoke coming from the exhaust and an abnormal odor outside the vehicle. The vehicle was towed to the dealer where it was diagnosed that cylinder #3 fuel injector failed and needed to be replaced. The vehicle was repaired; however, the failure recurred. The contact stated while driving approximately 60 mph, the vehicle hesitated and then stalled. The vehicle was towed to the dealer where it was diagnosed and determined that cylinder #2 fuel injector failed and needed to be replaced. The vehicle was currently at the dealer. The manufacturer was notified of the failure and the contact was provided a case number. The failure mileage was approximately 5,070.