Engine Compartment/Exhaust System

Upstream Oxygen Sensors:

Upstream LHD:

Downstream 1/2:

Downstream Oxygen Sensors:

Federal:

Both of the upstream O2S sensors are located in the exhaust manifold just before the mini-catalytic convertors.

Two downstream sensors are used (1/2 and 2/2). The downstream sensors are located in the exhaust downpipes just after the mini-catalytic convertors.