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Home >> Jeep >> 2021 >> Compass Trailhawk >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel Injection, Gas >> Sensor, Oxygen >> Removal And Installation >> 2.4L Downstream >> Removal
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2.4L Downstream: 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.

  1. 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.
  2. Remove the engine cover. Refer to COVER, ENGINE, REMOVAL AND INSTALLATION or COVER, ENGINE, REMOVAL AND INSTALLATION or COVER, ENGINE, REMOVAL AND INSTALLATION .
    GC0163773Courtesy of CHRYSLER GROUP, LLC
  3. Disconnect the wire harness connector (1) from the downstream oxygen sensor.
    GC0164332Courtesy of CHRYSLER GROUP, LLC
  4. Unscrew and remove the oxygen sensor (1).