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8.3L - Upstream 1/1, 2/1

  1. Raise and support vehicle.
  2. Disconnect heated oxygen sensor electrical connector (Fig 1).
  3. Remove sensor using an oxygen sensor crow foot wrench such as Snap-On tool YA8875 or equivalent
Fig 1: Identifying 2/1, 2/2, O2 Sensors (Right Side)
G03588196Courtesy of DAIMLERCHRYSLER CORP.
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