Summit Vista AWD L4-1795cc 1.8L SOHC (1992)
Oxygen Sensor: Description and Operation
Oxygen (O2) Sensor Circuit
LOCATION
The oxygen sensor is located in the exhaust manifold, ahead of the catalytic convertor.
Oxygen Sensor
CONSTRUCTION
The oxygen sensor is made of a ceramic material called zirconium dioxide. The inner and outer surfaces of the ceramic material are coated with a
very thin layer of platinum. The outer surface is exposed to exhaust gasses, while the inner surface is exposed to outside air.
