Oxygen Sensor

WARNING: This page is about a different car, the 2008 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Disconnect the O2 sensor harness connector.

Fig 1: Locating Oxygen Sensor
Courtesy of CHRYSLER LLC

1 - OXYGEN SENSOR
Remove the O2 sensor (1).