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

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Oxygen Sensor: Service and Repair

HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION

WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system.

1. Remove the bottom cover.
2. Disconnect the negative battery cable.
3. Remove the plug hole cover.
4. Disconnect the HO2S connector.













5. Remove in the order indicated in the table.

HO2S Removal Note




1. Remove the HO2S using the SST.

Wiring Harness Bracket Installation Note






NOTE: There might be no pin. If there is no pin, lock the wiring harness bracket against rotation and tighten the nut.