Heated Oxygen Sensor (O2 Sensor) - Pcm Input

WARNING: This page is about a different car, the 2007 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Upstream Heated Oxygen Sensor 1/1

Courtesy of CHRYSLER LLC

1 - OXYGEN SENSORS

2 - EXHAUST MANIFOLD

The upstream oxygen sensor threads into the outlet flange of the exhaust manifold.

Fig 2: Downstream Heated Oxygen Sensor 1/2

Courtesy of CHRYSLER LLC

The downstream heated oxygen sensor threads into the system depending on emission package.