Manifold Absolute Pressure Sensor: Removal

Remove the collector cover.
NOTE: Follow these procedures for removal of the collector cover.
1. Lift up the rear side holding two positions (A).
2. Lift up the front side holding two positions (B) while moving it in the forward direction of the vehicle.
  
  Fig 1: Removing Collector Cover
  Courtesy of SUBARU OF AMERICA, INC.
Disconnect the ground cable from battery.
Disconnect the manifold pressure sensor connector.

Fig 2: Identifying Manifold Pressure Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Remove the manifold pressure sensor and the filter and hose from intake manifold.

Fig 3: Locating Manifold Pressure Sensor Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.