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)

Or, hide this message: temporarily or permanently

Oxygen Sensor: Service and Repair

Disconnect the electrical connector, and remove heated oxygen (HO2S) sensor. Install sensor with small amount of anti-seize applied to threads and tighten to 44Nm (33 lb-ft). Reinstall electrical connector.