Want this question answered?
4
4
There are 3 oxygen sensors on this vehicle. Some of the Highlanders with California emissions have 2 fron Air/Fuel Ratio sensors and one rear Oxygen sensor.
You have two oxygen sensors in Toyota Rav4, One before the catalytic converter and another after.
There are 3 oxygen sensors; one in the front exhaust manifold, one in the rear exhaust manifold, one AFTER the catalytic converter. The 2 exhaust manifold sensors are the same BUT the catalytic converter one is different. Also, the 2 exhaust manifold sensors have heaters in them, while the converter one doesn't.
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.
3
none
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.