There is most likely 2 or 3 O2 sensor's on your car. Just follow the exhaust system starting from the motor you should see them.
labor cost to change an oxygen sensor in a 1995 toyota avalon
The 1998 Toyota Avalon oxygen sensor fuse can be found in the fuse box. The oxygen sensor fuse will be the number 17 fuse.
A/F sensor are located in each exhaust manifold, O2 sensor After catalytic converter on exhaust pipe
bank 1,sensor 1 oxygen senor by exhaust manifold
Location of camshaft position sensor on 2001 toyota avalon 3000 motor
bank 1 is the one closest to the firewall. sensor 1 is the first one exhaust gasses will come in contact with after leaving the cylinder head.
how can i check sensor to see which one is bad on toyota avalon
How do you change oxygen sensor in 1992 Toyota corolla? Is there a model engine 4A-FE without a oxygen sensor?
Open the hood
under the intake manifold
The 1988 Toyota oxygen sensor is located on the air cleaner housing. You will find the sensor, on the back side of the housing.
The 1985 Toyota Corolla has one.