Mustang V8-4.6L SC VIN Y (2004)
Oxygen Sensor: Service and Repair
Catalyst Monitor Sensor
CATALYST MONITOR SENSOR
Socket, Exhaust Gas Oxygen Sensor
SPECIAL TOOL(S)
REMOVAL
1. Disconnect the battery ground cable.
2. Raise and support the vehicle.
3. NOTE: Two catalyst monitor sensors are used for the engine control system. They are located in the dual converter Y pipe downstream from the
catalyst. The left side catalyst monitor sensor is shown, the right side is similar.
Disconnect the connector.
4. NOTE: If necessary, lubricate the sensors with penetrating and lock lubricant to assist in removal.
Using the special tool, remove the catalyst monitor sensors from the dual converter Y pipe.
INSTALLATION
