Oxygen Sensor Heating Element Test
Disconnect O2 sensor connector. The O2 sensor is located in exhaust pipe. Connect an ohmmeter between sensor terminals "A" and "B." Ohmmeter should read less than 10 ohms. Replace sensor if ohmmeter reads infinity.
Disconnect O2 sensor connector. The O2 sensor is located in exhaust pipe. Connect an ohmmeter between sensor terminals "A" and "B." Ohmmeter should read less than 10 ohms. Replace sensor if ohmmeter reads infinity.