Replace both of them.
To replace the oxygen sensor on a Honda Odyssey, first unscrew the sensor. Then use a 22 mm socket or 7/8 inch wrench to replace the oxygen sensor.
Let me know if you find out. i am having trouble locting which one is 1 and which is 2... I was told i needed to replace the #1 oxygen sensor
An Oxygen sensor does not reset. You have to replace them and yes they are expensive.
To replace the oxygen sensor disconnect the oxygen sensor electrical connector. Use an oxygen sensor socket to remove the sensor. spray the sensor with penetration oil if it is difficult to loosen. install in reverse.
You will know, You'll get a fault code on your (OBC) on board computer system.
You bring it to a service station and tell them to replace the oxygen sensor.
how do you replace oxygen sensor of 2001 bmw 318 ci es
There are four oxygen sensors screwed into the converter assemblies. You need to know which one is faulty before attempting to replace them.
You can not successfully clean an oxygen sensor. You need to replace it.
With an o2 sensor socket.
Take it to the dealership.... Its real simple take the car jack it up take off the housing cover where the oxygen sensor is at then un plug the sensor, and replace...