For 1990-2009 cars only
Removal Procedure
Caution: Refer to Oxygen Sensor Caution in the Preface section.
Note:
• Bank 2 on the LH2 engine in this vehicle is the left side of the engine while sitting in the driver seat. • Sensor 1 is the sensor closest to the engine, or farthest towards the front of vehicle. • A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.
- Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
- Disconnect the oxygen sensor electrical connector from the engine wiring harness at the rear of the left head.
- Note the wire routing and attachment points for reassembly.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the oxygen sensor from the exhaust manifold.
Installation Procedure
- Install the heated oxygen sensor (HO2S) to the exhaust manifold and tighten to 42 N·m (31 lb ft).
- Lower the vehicle.
- Route and attach the wiring as noted during disassembly.
- Connect the oxygen sensor electrical connector to the engine wiring harness connector at the rear of the left head.
- Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
Caution: Refer to Fastener Caution in the Preface section.
