PL720 4WD L4-2389cc 2.4L SOHC (Z24) (1983)
Oxygen Sensor: Description and Operation
Electronic Controlled Carburetor (ECC)
Fig. 4 Exhaust gas sensor
The exhaust gas sensor, Fig. 4, is located in the exhaust manifold and monitors density of oxygen in the exhaust gas stream. The closed end of the
sensor tube is exposed to exhaust gasses. The tubes outer surface contacts the exhaust gas and the inner surface contacts the air.