Manifold Absolute Pressure Sensor: Removal

Remove the collector cover.
Disconnect the ground cable from the battery.

Fig 1: Disconnecting Battery Ground Cable
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector from the manifold absolute pressure sensor (A), and remove the filter assembly (B) from the intake manifold.

Fig 2: Identifying Manifold Absolute Pressure Sensor And Filter Assembly
Courtesy of SUBARU OF AMERICA, INC.
Remove the manifold absolute pressure sensor from intake manifold.