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Removing oxygen sensors behind catalytic converter - RoW

  1. Remove rear wheel housing liner on the corresponding side.
  2. Remove rubber sleeve between oxygen sensor cable and heat insulation plate and expose oxygen sensor cable plug.
    Fig 1: Removing Rubber Sleeve Between Oxygen Sensor Cable & Heat Insulation Plate (RoW)
    G03138987Courtesy of PORSCHE OF NORTH AMERICA, INC.
  3. Unlock and disconnect oxygen sensor plug by pulling the plug lock out sideways. Use a small screwdriver to open the plug lock at the side.
    Fig 2: Opening Plug Lock (RoW)
    G03138988Courtesy of PORSCHE OF NORTH AMERICA, INC.
  4. Undo oxygen sensor using an open-ended wrench (a/f 22) and screw it out by hand.
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