It is the top one
remove the old one and install the new one. They are threaded in.
How to know if air sensor not working on protege 2003
There is two oxygen sensors. One is located before the catalytic converter is located under the heat sheld. The oxygen sensor after the catalytic converter is found under the catalytic converter (under the car) before the catalytic transfer pipe.
Yes, they are only good for either 60,000 or 100,000 mile depending on which type was used.
The sensor is located on th eexhaust manifold just above where the exhaust pipe joind the manifold. If its been on for a while, you'll probably need a torch to get it out.
no sensor only a thermostat
The oxygen sensor is locate on the exhaust manifold towards the rear of the motor, upstream on the top before the cat and downstream on the bottom after the cat.
It means there is bad/no connection between the car's computer and the oxygen sensor after the catalytic converter.
On air box right befor maf sensor
There are two oxygen sensor for Mitsubishi Outlander. Front Oxygen Sensor and Rear Oxygen Sensor
need to know what wire go were for a 94 Mazda protege MAF sensor
If the vehicle was built with an oxygen sensor, you will need an oxygen sensor.