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The oxygen sensors on a 2004 Toyota Corolla are located within the exhaust manifold. They constantly monitor oxygen levels in the exhaust and allow the engine to make adjustments accordingly.
How do you change oxygen sensor in 1992 Toyota corolla? Is there a model engine 4A-FE without a oxygen sensor?
== == 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.
I think only 1. it's located below exhaust manifold before the cat converter.
The 1985 Toyota Corolla has one.
You have two oxygen sensors in Toyota Rav4, One before the catalytic converter and another after.
It screwed in to the exhaust manifold. To change it you unplug the sensor and unscrew it with an O2 sensor socket.
under the hood
In the manifolds - sometimes difficult to get at.
where are the oxygen sensors on a 2000 Pontiac grand am and how do you change them?
2
There are two of them.