Oxygen sensor location for bank 1
I have a 2000 Mazda 626 LX 2.0 4cyl. I am wanting to know how many oxygen sensor's I have in total. As well as where they are all located. I have replace a sensor and it's my backflow and we can'tfind it at all behind the catalytic converter, which is where it should be. My code is coming up bank 1.
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