Subaru IMPREZA 2004 Service Manual page 6

FUEL INJECTION (FUEL SYSTEMS)
(1) Intake manifold gasket RH
(2) Fuel injector pipe
(3) Fuel injector
(4) O-ring
(5) O-ring
(6) O-ring
(7) Plug
(8) PCV valve
(9) Purge control solenoid valve
(10) Nipple
(11) Intake manifold
General Description
(12) Intake manifold gasket LH
(13) Fuel pipe protector LH
(14) Plug cord holder LH
(15) Fuel pipe protector RH
(16) Fuel pipe ASSY
(17) Fuel hose
(18) Clip
(19) Clip
(20) Air assist injector solenoid valve
(21) Guide pin
(22) Plug cord holder RH
FU(H4SO)-4
(23) Accelerator cable bracket
(24) EGR valve
Tightening torque: N·m (kgf-m, ft-lb)
T1: 1.5 (0.15, 1.1)
T2: 6.4 (0.65, 4.7)
T3: 17(1.7, 12.5)
T4: 19 (1.9, 14.0)
T5: 25 (2.5, 18.4)