O2 Sensor: Description

WARNING: This page is about a different car, the 2004 Dodge Intrepid, 2004 Chrysler Intrepid, 2004 Chrysler Concorde, and 2004 Chrysler 300M. 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: Upstream Heated Oxygen Sensor 1/2

Courtesy of DAIMLERCHRYSLER CORP.

Fig 2: Upstream Heated Oxygen Sensor 1/1

Courtesy of DAIMLERCHRYSLER CORP.

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

Fig 3: Downstream Heated Oxygen Sensors-1/2 (R) 2/2 (L)

Courtesy of DAIMLERCHRYSLER CORP.