Two problems related to manifold/header/muffler/tail pipe have been reported for the 2017 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Hyundai Sonata based on all problems reported for the 2017 Sonata.
Car is consuming too much oil I have to put anywhere from 2 to 3 quarts of oil in car in between oil changes sometimes it acts like it has no power don't wanna go but then it just takes off my mufflers is black from the oil puffs of smoke come from my muffler sometimes there is never any oil on ground not sure where it's going but it's goin somewhere it's causing problems I have heard several other people say that their Sonata is doin the same thing.
Engine cuts off in the middle of traffic would not allow me to move gear shift reported issue since October 2018. Car recently had 3 recalls that were repaired however engine is still shutting off and gear shift won't move and engine light is on and off. I got a diagnostic and it had 3 codes of intake manifold and valve. I bought the car like this.