Need a special socket. They are located in the exaust manifold(s).
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.
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.
The Oxygen Sensor on a 1989 Cherokee 4.0L is on the exhaust pipe on the left side of the engine just below the exhaust manifold. You can see it from above but you must replace it from below. It is pretty easy to reach. I recently changed mine and it took only 10 minutes using an O2 sensor wrench.
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.
on the number 1 injector
Replace the sensorOnce you have changed the oxygen sensor just disconnect the battery cable for about 30 seconds and the computer will reset. If you don't make the repair it will never go away, that's what it is made for.
In the exhaust pipe, near the engine.
sensor is in the plastic reserve on the float.
You can not successfully clean an oxygen sensor. You need to replace it.
I had that same exact problem with a 1995 Jeep Cherokee, and it was indeed a bad oxygen sensor. Relatively cheap repair too.