PT Cruiser L4-2.4L (2008)
Oxygen Sensor: Service and Repair
Removal
1/1 Upstream - 2.4L
1/1 UPSTREAM - 2.4L
1. Remove the air cleaner lid and makeup air hose.
2. Remove the negative battery cable.
3. Disconnect electrical connector from sensor.
4. Remove sensor using an oxygen sensor special tool C-4907.
1/2 Downstream - 2.4L
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.
