in the exhaust pipe right under the manifold it is easy to get to right in front under the hood
that must be some metro to have a big block
It has ( one oxygen sensor ) on the 1991 and 1992 Ford Explorers
they are located on the exhaust manifolds
motorcraft . com just shows ( 1 ) oxygen sensor for all available engines in a 1991 Ford Ranger
The oxygen sensor is located on your lower exaust pipe just before the cat underneath the car
The 1991 Cadillac Deville oxygen sensors are located on the firewall and the air cleaner housing. The firewall oxygen sensor will be on the drivers side. The air cleaner oxygen sensor will be on the back of the air cleaner housing.
the o2 sensor is located on the exaust manifold
oxygen sensor is found on y pipe under the exhaust manifold on 4 point zero six v engines
they are located right at the exhaust manifold
It threads into the exhaust manifold on the back of the engine.
The 1991 Pontiac Grand Prix oxygen sensor is located on the outside of the air filter housing. You will find the sensor on the back side of the air filter housing.