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Home >> Chrysler >> 2006 >> PT Cruiser Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Injection (Except Diesel) >> O2 Sensor >> Removal >> 1/2 Downstream - 1.6L
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1/2 Downstream - 1.6L

Fig 1: Downstream O2 Sensor
GC0021662Courtesy of DAIMLERCHRYSLER CORP.

The downstream heated oxygen sensor threads into the exhaust pipe behind the catalytic convertor.

  1. Remove the air cleaner cover.
  2. Remove the negative battery cable.
  3. Raise vehicle and support.
  4. Disconnect electrical connector from sensor.
  5. Disconnect sensor electrical harness from clips along body.
    Fig 2: Oxygen Sensor Removal Tool
    GC0021663Courtesy of DAIMLERCHRYSLER CORP.
    1 - DOWNSTREAM HEATED OXYGEN SENSOR
    2 - CATALYTIC CONVERTOR
  6. Remove sensor using an oxygen sensor crow foot wrench such as Snap-On tool YA8875 or equivalent.