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Exhaust CMP Sensor

Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
Remove the protector.

Courtesy of MAZDA MOTORS CORP.
Disconnect the exhaust CMP sensor connector.
Remove the bolt.

Fig 1: Exhaust Camshaft Position Sensor Bolt With Torque Specification
Courtesy of MAZDA MOTORS CORP.
Remove the exhaust CMP sensor.
Install in the reverse order of removal.