Removal & Installation (Avalon, Camry, Camry Solara With A/T, Highlander & Sienna)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Two heated A/F sensors are used, one on each exhaust manifold. Heated A/F sensor on rear (firewall side) exhaust manifold may be referred to as bank No. 1 sensor No. 1. Heated A/F sensor on front (radiator side) exhaust manifold may be referred to as bank No. 2 sensor No. 1.
Disconnect electrical connector for A/F sensor. Remove A/F sensor from exhaust manifold.
To install, reverse removal procedure. Tighten A/F sensor to specification (if available). See TORQUE SPECIFICATIONS .