the code said my bank 2 sensor 2 o2 sensor is bad, how do i figure out which one this is? its a 2001.

thnks alot
-Leo

what was the code? and sensor 2 is always the down stream

yep down stream

WHat do you mean by downstream??

the sensor after the converter

don't forget, this guy has 4 O2's.. I think.. I can see it being confusing trying to figure out which one is bank 2 sensor 2

thats why i asked what the code was because he should only have 2 sensors. the code should be p0136-p0141

i have 4, i think i figured it out.

bank 2- the rear half of the manifold

sensor 2- the second one, past the cat

Bank one = The Bank containing cylinder one

Bank two = The Other Bank

Sensor one = Upstream (Before Cat)

Sensor two = Downstream (After Cat)

I'm pretty sure bank 2 is passenger side on everything except fords. And yes after cat is correct

i just realized his is an 01 so it does have 4 sensors, my fault

yup thats a great diagram, i replaced # 3 on that diagram (which i hope is bank 2 sensor 2) and im pretty sure it is because it runs like a top now...

thanks for all the help

what years is that diagram through?

i think its 99-01 but not 100% sure

bank two sensor two is pass side after the cat