Engine And Engine Cooling Related Problems of the 2020 Hyundai Sonata

Table 1 shows five common engine and engine cooling related problems of the 2020 Hyundai Sonata. The number one most common problem is related to the engine and engine cooling (29 problems). The second most common problem is related to the gas recirculation valve (egr valve) (three problems).

Table 1. Engine And Engine Cooling related problems of Hyundai Sonata


Recently reported Engine And Engine Cooling problems of the 2020 Hyundai Sonata

The Engine And Engine Cooling problem

For my vehicle the check engine light has been on continuously throughout the last 6 months and mechanics are going to have to replace the thermostat. Multiple auto mechanics have indicated online that this is a very common problem with many Hyundai vehicles from 2020-2023 and can be a danger due   Read details...

The Gas Recirculation Valve (egr Valve) problem

While stopping at a major highway intersection on [xxx] for a red light vehicle stalls and will not start back up while everyone else continues at a 55 mph mile an hour passing me on each side! this happened more than 6 times .   Read details...

The Car Stall problem

On Nov. 17 while driving app. 65 mph on the highway the car suddenly shut itself off. All of the dashboard lights lit up & the car would not restart. After 10 min. Of trying to restart the car, the car started again, & all the lights on the car disappeared.   Read details...


Engine And Engine Cooling related problems in other Hyundai Sonata model year vehicles:



Sonata Service Bulletins
Sonata Safety Recalls
Sonata Defect Investigations