Impala V6-3.8L VIN K (2004)
1. Install the rear oxygen sensor in the right exhaust manifold.
Tighten
Use the J 39194 to tighten the HO2S to 41 N.m (30 lb ft).
2. Connect the HO2S electrical connector (4) to the wiring harness connector (3).
3. Install the HO2S electrical connector (4) to the fuel injector sight shield bracket (1).
4. Install the HO2S electrical CPA retainer.
5. Install the fuel injector sight shield.