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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.
how do you replace oxygen sensor of 2001 bmw 318 ci es
You bring it to a service station and tell them to replace the oxygen sensor.
You will know, You'll get a fault code on your (OBC) on board computer system.
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.
You need to take a wrench to loosen the oxygen sensor, then you will need to disconnect the cord. Once you have done that you will then pull out the old oxygen sensor.