I believe that is in the trunk / hatch area , at the rear , covered by an oval shaped
rubber plug ( on the trunk / hatch side of the taillights )
In the tank
you push the red reset button on the inertia switch
In the fuel tank.
On a 1992 Ford Mustang : The fuel filter is underneath the vehicle in front of the fuel tank
The 2007 Ford Mustang V6 fuel tank holds 16 gallons The 2007 Ford Mustang V8 fuel tank holds 16 gallons
Passenger side of engine compartment on lower front of wheel well.
In the fuel tank.
The 2001 Ford Mustang runs on regular unleaded.
The 2009 Ford Mustang runs on regular unleaded.
The 2002 Ford Mustang runs on regular unleaded.
The 2014 Ford Mustang runs on regular unleaded.
The 2003 Ford Mustang runs on regular unleaded.