Heated Oxygen Sensor: Installation
WARNING: This page is about a different car, the 2002 Ford Econoline and 2002 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
When replacing HO2S, coat threads with anti-seize compound before installation. New sensors should already have this compound applied to threads. Install HO2S sensor. Tighten HO2S sensor to specification. See TORQUE SPECIFICATIONS . Reconnect wiring connector to HO2S.