Sensor, Oxygen: Description: 5.7L/6.2L/6.4L

The engine is equipped with four heated oxygen sensors:

• The left upstream oxygen sensor is referred to as the 1/1 sensor.
• The left downstream oxygen sensor is referred to as the 1/2 sensor.
• The right upstream oxygen sensor is referred to as the 2/1 sensor.
• The right downstream oxygen sensor is referred to as the 2/2 sensor.