Spectrum L4-91.5 1.5L (1985)
Oxygen Sensor: Description and Operation
The oxygen sensor used in the closed loop emission control system consists of a closed end zirconia sensor mounted in the exhaust manifold. The
sensor generates a voltage which varies with the oxygen content in the exhaust gas stream. As oxygen content rises (lean mixture), voltage decreases, and
as oxygen content decreases (rich mixture), voltage increases.