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: Testing and Inspection
1.
Disconnect the
oxygen sensor connector.
2.
Place an ohmmeter across terminals A and B of the sensor connector. Resistance should be below 10 ohms. Replace the sensor if the ohmmeter displays an infinity reading.