LH Side

Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , Procedure, Fuel. >
Open the fuel filler flap lid and remove the fuel filler cap.
Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Remove the intake manifold. < Ref. to REMOVAL , Intake Manifold. >
Disconnect the connector from the fuel injector.
Remove the screw and remove the fuel injector.

Fig 2: Removing Fuel Injector
Courtesy of SUBARU OF AMERICA, INC.