Driver side coils no firing..

Check engine light on ? .. What’s the stored trouble codes??

kaly357 on May 11, 2020 no light or codes stored :( at some point I had a bluedriver scanner hook up to it while runing and said, "Closed loop but fault with at least one oxigen sensor- may be using single oxigen sensor for fuelcontrol bank 1 or bank 2" do you think that oxigen sensor may cause this error? I chaged one 2-3 days ago and unplugged another but saw no change, what amazes me is that it seems to run with only one bank (4 cylinders ) I can unplug the coils from the driver side (not firing) and still the engine will run with no change, thought no power. (edit)