Well my car has been running rough for a while....would this P2198 have anything to do with it. Just came on while I was driving today. O2 sensor signal stuck rich - Bank 2-sensor 1 ????
I don’t think it's a bad o2 sensor but I’m not ruling that out yet.
I was going to try and swap the two front o2's and see if the code stays on bank2 side. If I find time tonight I’ll do that and let you know what I find.
Is your mil light on? Mine has not come on but the code shows up on my SCT x2 tuner. I’ve cleared it a few times and it keeps coming back. I’ve noticed after clearing the code and letting the car sit over night I will get p2198 again with just the car idling and warming up.