Subaru 2009 IMPREZA Service Manual page 1233

ENGINE (DIAGNOSTICS)
(1) Fuel level sensor
(2) Fuel temperature sensor
(2)
Electrical Component Location
(3) Fuel tank pressure sensor
(1)
EN-03147
(4)
EN-03132
EN(H4DOTC)(diag)-12
(1) (2) (3)
(4)
(4) Fuel sub level sensor
EN-06154
EN-06168