You have (4) O2 sensors of the (97 to 99) Two are in front of the CAT. (Catalytic Converter). and the other two are behind the CAT. (Catalytic Converter).
the exhaust, where every o2 sensor is
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
Go to Auto Zone they will pull codes for you for FREE. It may be the O2 Sensor
where is the location of all o2 sensars in 99 Mazda 626
The 2005 Ford Expedition 5.41 has two Oxygen Sensors that might need to be replaced at the same time. One is located in on the motor near the front of the catalytic convertor. The other O2 sensor is located behind the catalytic convertor. To change them, it is possible to manipulate the clips holding them in and remove them, then put the new ones in.
There is one Oxygen sensor on the 99 Acura TL model. Replacing it or repairing the O2 sensor can help the longevity and efficiency of your car and is a fairly simple procedure.
The O2 sensor can be found on the outside of the air cleaner housing. The O2 sensor will be attached to the back of the air cleaner housing.
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
Just reset your computer after replacing the O2 sensor.
where is the 02 censor located
Bank 2 is the drivers side of the engine Sensor 2 is downstream of the catalytic converter ( after the exhaust gas has passed through the catalytic converter )
The o2 sensor behind the cat helps tell the computer if the cat is doing its job or not