Monterey V6-4.2L VIN 2 (2004)
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Oxygen Sensor: Service and Repair
HEATED OXYGEN SENSOR (HO2S) AND CATALYST MONITOR SENSOR
Socket, Exhaust Gas Oxygen Sensor
SPECIAL TOOL(S)
REMOVAL
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Disconnect the battery ground cable.
3. Remove the parts in the order indicated in the illustration and table.
Item 2: HO2S and Catalyst Monitor Sensors Removal Note