Sidekick 2WD L4-1590cc 1.6L SOHC 0 TBI 8V (1992)
Oxygen Sensor: Description and Operation
O2 Sensor Heater
Oxygen Sensor Heater Circuit
The heater included in the O2 sensor is turned ON or OFF by ignition the switch. The unit heates the sensor, allowing operation sooner than if it had to
rely simply on exhaust gas.
