Any advice can't seem to find anything i have changed plugs,coils ,injectors from b2 to b1,installed new upstream o2 sensor, have also done smoke test to check for vacuum leaks. Stft and ltft go up on acceleration on only b1 seem to look ok at idle

 

Take a look here to see if anything helpful shows up:

https://www.engine-light-help.com/P0...ine-light.html