According to the 2003 Mercury Grand Marquis Owner Guide :
( 71.9 liters / 19.0 U.S. gallons )
According to the 2003 Mercury Grand Marquis Owner Guide : The fuel tank capacity is ( 19.0 U.S. gallons )
It is inside the fuel tank.
12 Gallons (US)
My manual says fuel tank capacity is 19.0 gallons (71.9L).
According to the 1999 Mercury Grand Marquis Owner Guide : ( 71.9 liters / 19.0 U.S. gallons )
According to the 2003 Mercury Grand Marquis Owner Guide : ( " regular " unleaded gasoline , 87 octane )
The electric fuel pump is inside the fuel tank
By removing the fuel tank, since that's where it is.
On a 1993 Mercury Grand Marquis : The electric fuel pump is INSIDE the fuel tank
20 gallons
On a 2001 Mercury Grand Marquis : The fuel tank is mounted vertically behind the rear seat
Inside the fuel tank.