The O2 sensor is in the rear exhaust maniford. It can be changed from above, but you'll need to use a mirror or work by braille.
what is the oxygen sensor location on a 1993 oldsmobile cutlass ciera 3.3l v6
There are actually two oxygen sensors on a 2000 Oldsmobile Silhouette. There is one located in the exhaust system just before the catalytic converter. There is also another oxygen sensor in the air intake tube leading from the air filter.
They are in the exhaust flow
Under hood, center, rear engine area, mounted in exhaust manifold
behind the power steering pump
If you are referring to the "fuel tank pressure sensor", it is located on top of the Gas tank. The tank will need to be lowered or removed to access it. TechJK ----------------------
A 1969 car would not have an oxygen sensor.
show location of camshaft position sensor for 2002 Oldsmobile bravada.
under the power steering pump in the top of the engine.
Remove the oxygen sensor vacuum to. Remove the oxygen sensor screws. Reverse the process to install the new oxygen sensor.
in front of the converter
Location of sensor