O2 Sensor: Description

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

The upstream oxygen sensor threads into the outlet flange of the exhaust manifold (Fig 1) or (Fig 2).

Fig 1: Sensor Upstream 1/1 4 Cylinder

Courtesy of DAIMLERCHRYSLER CORPORATION

Fig 2: O2 Sensors 2.7L

Courtesy of DAIMLERCHRYSLER CORPORATION

The downstream heated oxygen sensor threads into the outlet pipe at the rear of the catalytic convertor (Fig 3).

Fig 3: O2 Sensor Downstream 2/1 4 Cylinder

Courtesy of DAIMLERCHRYSLER CORPORATION