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If it is a 4 cyl. it has 2, one in front of the catalytic converter (Upstream), and one after the catalytic converter (Down stream).
You have two oxygen sensors in Toyota Rav4, One before the catalytic converter and another after.
== == 1996 Corolla's have two oxygen sensors. The first sensor, is pre catalytic converter. It is located on the exhaust manifold. The second sensor is post catalytic converter.
It has two. One is before the catalytic converter (Bank1 Sensor1) and one after the catalytic converter (Bank 1 Sensor2)
For the 2.2 liter, there are two. One is a pre catalytic converter sensor, and the other is post catalytic converter. They are very easy to access and replace.
Two, one before the catalytic converter and one after.
There isn't gold in a catalytic converter.There isn't gold in a catalytic converter.
There is only one catalytic converter on the 99 TL.
It has two of them. One is before catalytic converter and second one is after.
A catalytic converter may last the life of the car. There is no set time to replace it.
The 2002 2.4L has 4. 2 on the exhaust manifolds, one before the catalytic converter and one after.