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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 315 (Fuel System) >> Fuel Injection, Gas >> SENSOR, Oxygen >> Removal >> 5.7L

SENSOR, Oxygen: Removal: 5.7L

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: O2 Sensor Locations
GC0080478Courtesy of CHRYSLER LLC

Refer to graphic for typical O2S (oxygen sensor) locations if equipped with four oxygen sensors.

CAUTION: Never apply any type of grease to the oxygen sensor electrical connector, or attempt any soldering of the sensor wiring harness.
WARNING: The exhaust manifold, exhaust pipes and catalytic converter become very hot during engine operation. Allow engine to cool before removing oxygen sensor.
  1. Raise and support vehicle.
  2. Disconnect wire connector from O2S sensor.
    CAUTION: When disconnecting sensor electrical connector, do not pull directly on wire going into sensor.
  3. Remove O2S sensor with an oxygen sensor removal and installation tool.
  4. Clean threads in exhaust pipe using appropriate tap.