Post-cat oxygen sensor

[Ork_Sina]

I checked a wrecker today and he's asking $60 for it including shipping. Should I go for that or the one above?

[beeza]

I checked a wrecker today and he's asking $60 for it including shipping. Should I go for that or the one above?

Never.They are only good for 100,000k's tops!!! It's rare they last longer because of all the extreme heat cycles.

All sensors on the car are 1 volt sensors only,so they are sensitive.A failing sensor will send an incorrect valve to the ecu making the car run not so smooth and efficient.

U would rather it fail then the ecu goes into open loop mode I.e. it controls fuel delivery with the programmed values in the ecu,it doesn't require feedback from the 02 sensor.

They are important,without it the car can surge,hesitate,lack power and generally run rougher.