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According to the 2003 Mercury Grand Marquis Owner Guide :
( " regular " unleaded gasoline , 87 octane )
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Related Questions
Where is fuel pump on 2003 Mercury Grand Marquis?
It is inside the fuel tank.
What is the fuel tank capacity of a 2003 Grand Marquis?
According to the 2003 Mercury Grand Marquis Owner Guide : ( 71.9 liters / 19.0 U.S. gallons )
Where is fuel pump located on 2003 mercury grand marquis?
The electric fuel pump is inside the fuel tank
How do you change fuel pump 2003 mercury grand marquis?
By removing the fuel tank, since that's where it is.
Where is fuel pump on 93 mercury grand marquis?
On a 1993 Mercury Grand Marquis : The electric fuel pump is INSIDE the fuel tank
How many gallons does a 2003 gran marquis hold?
According to the 2003 Mercury Grand Marquis Owner Guide : The fuel tank capacity is ( 19.0 U.S. gallons )
Where is the fuel pump in a 1995 Grand Marquis Mercury?
In the fuel tank
Where is the fuel tank on 2001 grand marquis?
On a 2001 Mercury Grand Marquis : The fuel tank is mounted vertically behind the rear seat
Where is the fuel filter on a 1994 Mercury Grand Marquis?
somewhere
Where is the fuel pump located on a 1996 Mercury Grand Marquis?
In the fuel tank.
Where is the fuel pump on a 1997 Mercury Grand Marquis?
Inside the fuel tank.
Is the 1992 grand marquis fuel injected?
Yes , the 4.6 liter , SOHC , V8 engine in a 1992 Mercury Grand Marquis is fuel injected
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