one
There are 2. one just after the engine and one after the cat converter.
A 2002 Chevy Cavalier 2.2 liter has a total of 1 oxygen sensor located in the exhaust manifold. It constantly monitors oxygen levels in the exhaust to allow the computer to make mixture adjustments.
Two. One on the bottom of the exhaust manifold and one after the catalytic converter on the exhaust system.
There are 2 sensors The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
there are 2 oxygen sensors on the 03 Chevy cavaliers. one is located right by the exhaust manifold, this is you upstream. then the other, down stream, is located right behind u Cadillac converter. hope this helps!
On the 5.7 350 just one in the exhaust manifold on drivers side.
It has four oxygen sensors.
The Jetta has two oxygen sensors.
The 4 cylinder models have two oxygen sensors, and the V6 models have four oxygen sensors.
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There are approximately 2 oxygen sensors on a 2005 Chevrolet Astro van. The oxygen sensors can be purchased at stores such as NAPA.