help please....nitrous problem
 

My 100 dry shot works great until I get a check engine light....the codes are

P0133 Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1
# P0153 Heated Oxygen Sensor (HO2S) Slow Response Bank 2 Sensor 1

If I reset the codes the nitrous still wont work right( nitrous is still shooting in the air box but it feels like its on motor) but if I unplug the battery for 30 seconds it works great until the codes come up..
If I replace the 02s will this go away??

What is your air fuel ratio while spraying?

12.4 down to 11.9.....AFR

I put 2 new 02s in the front...The backs are deleted.....so far the nitrous works great and no codes....the old 02s were nasty looking black as black could be...