o2 error code

[fursale]

I installed my catless mid pipes yesterday and have a code already.
P0153-O2 SENSOR 2/1 SLOW RESPONSE - SRT10
I have bassani headers jmb mids and borla in the rear.
I used the mechanical o2 sims that came with the mid pipes.
It smells like it is running very rich also.
I am guessing 2/1 means passenger front sensor,is that right.:dontknow:
Thanks

 

[FlyingLow]

If it is the front sensor then being should not matter as it reads before the cat. A wire might have gotten damaged in the install. I would reset the code with a SCT or by disconnecting the neg terminal on the battery and see if it returns.