One problem related to gas recirculation valve (egr valve) has been reported for the 2016 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2016 Hyundai Sonata based on all problems reported for the 2016 Sonata.
The contact owns a 2016 Hyundai Sonata. The contact stated that while operating the vehicle the dashboard warning lights had suddenly activated and the vehicle went go into "limp" mode causing the vehicle's' speed to reduce. The vehicle was taken to the local dealer on several occasions and the nox sensor, intake manifold and egr were replaced but the failures continued to occur. The manufacturer was notified of the failures but no assistance was offered. The failure mileage was 104,000.