have fault codes p0151 p0174 p0175 bank 2 s1 would like to replace oxygen sensor which one there are 2..
P0151 Oxygen sensor circuit low voltage Bank 2 sensor 1
P0174, fuel trim too lean (bank 2)
P0175 Fuel trim too rich (bank2)
Where the number 1 cylinder is known as bank 1 (rule of thumb standing in front of the vehicle the closet sparkplug to the front is the number 1 cylinder and that is bank 1),this make the other side bank2.
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