The fuel pump is in the gas tank. There is an access panel under the rear storage area on the passenger side. (I've only replaced one on the 5 door wagon)
The 2004 Subaru Impreza runs on regular unleaded.
The 2003 Subaru Impreza runs on regular unleaded.
The 2014 Subaru Impreza runs on regular unleaded.
The 2008 Subaru Impreza runs on regular unleaded.
The 2001 Subaru Impreza runs on regular unleaded.
The 2010 Subaru Impreza runs on regular unleaded.
The 2009 Subaru Impreza runs on regular unleaded.
The 2013 Subaru Impreza runs on regular unleaded.
The 2002 Subaru Impreza runs on regular unleaded.
The 2012 Subaru Impreza runs on regular unleaded.
The 2005 Subaru Impreza runs on regular unleaded.
The 2011 Subaru Impreza runs on regular unleaded.