Manifold Absolute Pressure Sensor: Removal

Disconnect the ground cable from battery.

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

Fig 2: Locating Manifold Absolute Pressure Sensor Connector Mounting Bolt
Courtesy of SUBARU OF AMERICA, INC.