02 sensor circuit

[nay23]

had the car put on diagnosis and brought up that the (02 sensor circuit was faulty,its saying low voltage band 2 sensor 1,does anybody know wot this means?

[AJ-K]

you mean Bank 2 sensor 1

it means you have a lamba sensor out (Oxygen/H20/Bank sensor)

you just need to find out if its post cat or after

[Aron]

sensor 1 is the one before the cat. just replace that mate

[nay23]

thanks very much lads much apprieciated :)

[nay23]

does anybody know where i can get this sensor 1 from? and how much ?