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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Downstream

REMOVAL
1. Disconnect battery ground cable.
2. Raise and support vehicle.
3. Disconnect the downstream Heated Oxygen Sensor (HO2S) electrical connectors.
4. Remove sensor(s) with Oxygen Sensor Wrench T94P-9472-A, or equivalent, from exhaust inlet pipe.

INSTALLATION
1. Install sensor(s) and torque to 30-49 Nm (22-36 ft lb).
2. Lower vehicle.
3. Connect battery ground cable.