I keep getting p0133/p1133 on my car. So, I read around... and I saw all the bosch-flaming going on... so I got a Denso. Installed it, cleared codes, got a new o2 extension.... same thing.

I even put a stock temp 195 tstat in it. (Thinking that since the o2 sensor relies on heat, maybe it was too cold)... but yet I still get it.

Anyone of you guys have an issue like this? These are the only codes im throwing.

I replaced:
2 o2 sensors
2 o2 extensions
2 thermostats

I re-bunged my pacesetters, due to the s***ty location of the o2 sensor, and moved it about an inch or so back, but that didnt help either.

Any ideas?