Sensor, Oxygen: Installation: Installation: Notes
CAUTION:
Never apply any type of grease to the oxygen sensor electrical connector, or attempt any repair of the sensor wiring harness.
The engine is equipped with four heated oxygen sensors:
- The right upstream oxygen sensor is referred to as the 1/1 sensor.
- The right downstream oxygen sensor is referred to as the 1/2 sensor.
- The left upstream oxygen sensor is referred to as the 2/1 sensor.
- The left downstream oxygen sensor is referred to as the 2/2 sensor.