You need a engine scanner and hook it up and it will tell you what sensor is bad.
Replace it.
There are 4 of them on the car, so you need to know which one is faulty. To replace them is the same for all. Disconnect the connector to the faulty o2 sensor and using a o2 sensor socket or a wrench that will fit unscrew the sensor. Install the replacement sensor and reconnect the wire.
To change an O2 sensor you need to disconnect the wiring harness from the sensor. Use an O2 sensor socket and ratchet set to remove the old sensor and replace with the new one.
An O2 sensor unscrews just like a spark plug.
Remove the vacuum hose from the O2 sensor. Remove the wiring harness. Remove the O2 sensor retaining screws. Reverse the process to install the new O2 sensor.
Do you know your alphabet ? o2 sensor ?
You cannot repair an O2 sensor. Replace it.
Ain't no fixing an O2 sensor. If there is a problem with it, replace it with a new one.
With an o2 sensor socket.
replace rear o2 sensor.
Yes
replace the bad sensor and it will turn off.