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Removal - Upstream 1/1

WARNING: This page is about a different car, the 2005 Dodge SX, 2005 Dodge SRT-4, and 2005 Dodge Neon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support vehicle.
  2. Unplug sensor connector.
  3. Remove sensor using an oxygen sensor crow foot wrench such as Snap-On tool YA8875 or equivalent. See Fig 1.
  4. After removing the sensor, the exhaust manifold threads must be cleaned with an 18 mm X 1.5 + 6E tap. If reusing the original sensor, coat the sensor threads with an anti-seize compound such as Loctite® 771-64 or equivalent.
Fig 1: Upstream Heated Oxygen Sensor Removal/Installation
GC0019483Courtesy of DAIMLERCHRYSLER CORP.
1 - EXHAUST PIPE FLANGE
2 - CROW FOOT WRENCH
3 - UPSTREAM OXYGEN SENSOR