how do you know what side is bad in 2001 rav4 air fuel sensor

Question

mechanic said I have a bad air fuel ratio sensor how do I tell which one it is left or right?

Answer 1

Hi there

The code will be specific to bank 1 or bank 2 of the engine, Once you have the code, then you will need to determine the firing order to figure out which is bank 1 or bank 2.