Fifth Avenue V6-231 3.8L VIN L FI (1992)
Oxygen Sensor: Testing and Inspection
Sensor Heating Element Test
Oxygen Sensor And Connector
Oxygen Sensor Connector Identification And PINOUT
1.
Disconnect the Heated Oxygen Sensor (HO2S), electrical connector from the wiring harness.
2.
Set DVOM to read OHMS. Connect the ohmmeter between the heater feed and heater ground (terminals 3 and 4), of the sensor electrical
connector.
3.
Resistance should be between 5 and 7 ohms, if not replace the sensor.
