They are in the same place on all 2.5 Subaru engines. Back of the intake manifold, driver's side. This forum will not allow pictures, otherwise I would show you where. Rest assured it is easy to find.
The 2002 Subaru Outback has a flat 4 engine.
The 2014 Subaru Outback has a flat 4 engine.
The 2006 Subaru Outback has a flat 4 engine.
The 2003 Subaru Outback has a flat 4 engine.
The 2005 Subaru Outback has a flat 4 engine.
The 2007 Subaru Outback has a flat 4 engine.
The 2009 Subaru Outback has a flat 4 engine.
The 2013 Subaru Outback has a flat 4 engine.
The 2011 Subaru Outback has a flat 4 engine.
The 2001 Subaru Outback has a flat 4 engine.
The 2008 Subaru Outback has a flat 4 engine.
The 2010 Subaru Outback has a flat 4 engine.