Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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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.