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Home >> Chrysler >> 2009 >> PT Cruiser L4-2.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Removal >> 1/2 Downstream
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1/2 Downstream






1/2 DOWNSTREAM - 2.4L










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

1. Remove the air cleaner lid and makeup air hose.
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.










6. Remove sensor using an oxygen sensor crow foot wrench.