Engine Compartment/Exhaust System

1/1:

1/1 And 2/2:

2/1:

Fig. 20 Upstream Heated Oxygen Sensor 1/1:

Fig.21 Upstream Heated Oxygen Sensor - 1/1:

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

Fig. 22 Downstream Heated Oxygen Sensor 1/2, 2/1:

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