Upstream Oxygen Sensor: Removal

WARNING: This page is about a different car, the 2003 Dodge Intrepid, 2003 Chrysler Intrepid, 2003 Chrysler Concorde, and 2003 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.

Upstream oxygen sensors (1/1 and 2/1) are mounted on each exhaust manifold. Figure and Figure . Disconnect harness connector for upstream oxygen sensor. Using Socket (YA8875), remove upstream oxygen sensor from exhaust manifold.