redtop o2 sensor is not switching

[jin8544]

I have redtop in my s13 coupe and o2 sensor is not switching...
Its a brand new sensor.. help!
heater circuit is working

[jin8544]

any ideas!!!???

[codyace]

Do you mean it's not working?

Little confused as to what you mean...

[jin8544]

the voltage on the o2 sensors should be switching from 0~1 volts but mine is just constantly reading .36 mvolts which its only seeing lean which causes my car to run rich.