2.4L Upstream: Removal
WARNING:
The exhaust manifold, exhaust pipes and catalytic converter(s) become very hot during engine operation. Allow engine to cool before removing oxygen sensor. Failure to allow engine to cool before removal may result in personal injury caused by burns.
CAUTION:
When disconnecting sensor electrical connector, do not pull directly on wires going into oxygen sensor (O2S). Damage to the oxygen sensor may occur.
- Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
- Remove the engine cover. Refer to
COVER, ENGINE, REMOVAL AND INSTALLATION
or COVER, ENGINE, REMOVAL AND INSTALLATION
or
COVER, ENGINE, REMOVAL AND INSTALLATION
.
- Disconnect the wire harness connector (1) from the upstream oxygen sensor.
- Disengage the wiring from the spring retainer, unscrew and remove the upstream oxygen sensor (1).