The oxygen sensor is located in the exhaust manifold near the firewall. It is easier to get to the sensor from under the vehicle.
they are located in the exhaust system Where ? how many 02 sensors on a 2003 Pontiac Montana
Under the steering wheel
In a 2004 Pontiac Sunfire, there are two oxygen sensors. One would be located in the exhaust before the catalytic converter. The other is located in the exhaust after the catalytic converter.
In exhaust pipe before catalytic converter unscrew to replace
The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.
To answer this i will need to know whatsize engine you have.
Screwed into the exhaust pipe
Oxygen sensors are located in the exhaust manifolds & in the exhaust pipes on most vehicles
Yes
There are two oxygen sensors, there is one located in the exhaust system before the catalytic converter and one after the catalytic converter.
where are the oxygen sensors on a 2000 Pontiac grand am and how do you change them?
the rear oxygen sensor is located under the car just in front of the catalitic converter it looks like a wire hooked onto a spark plug in the middle of the exhaust pipe