they are located on the exhaust manifolds
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.
Do 1978 Deville come with a oxygen sensor?
By the thermostat
The oxygen sensor in a 1988 Cadillac Deville is located in the exhaust manifold. It constantly monitors oxygen levels in the exhaust to allow the engine to operate and peek efficiency.
located on the exhaust manifolds
It is located inside of the distributor.
IN THE EXHAUST PIPE, JUST ABOVE THE CONVERTER.
It has ( one oxygen sensor ) on the 1991 and 1992 Ford Explorers
The HO2S (Heated Oxygen Sensor) bank 1 is between the manifolds and the Cadillac Converter. Manifold Exhaust (T) > "HO2S Sensor" > Cadillac Converter > muffler
motorcraft . com just shows ( 1 ) oxygen sensor for all available engines in a 1991 Ford Ranger
o2 sensor is on driver side 2nd one back
02 oxygen sensor circuit malfuction bank 1 sensor 1