Good evening! My Sonata has the MKL on. P0301 misignition cylinder 1. I have made new spark plugs in. Error remains. Ignition coils switched. Always cylinder 1 misignition. When cold, it jerks while driving. If warm it runs well, but the idle as soon as lower than 900 s. Video:https://www.youtube.com/watch?v=vO2NbYuin6k&feature=youtu.be I ask for help, since you want to renew all ignition coils at Hyundai now. But somehow I have the feeling that it’s not because of it (have had I don’t want to put 400 euros in the sand. Thank you very much for your help!