87
cheap gasoline,try a higher octane gas or add an octane booster to your tank
yes
According to the 1997 Mercury Grand Marquis Owner Guide : ( 20.0 U.S. gallons )
" regular " unleaded , 87 octane ( according to the Owner Guide )
As much as the gas tank will hold... ---------------------------------------------------------------------------------------------- On a 1997 Mercury Grand Marquis , the gas tank capacity is ( 20.0 U.S. gallons )
on a 1997 Mercury Grand Marquis kill switch be activated by a rear end collision
The official octane requirement for a 1997 Cadillac Catera is 87 octane, which is considered regular unleaded fuel. However, using premium gasoline (91 octane or higher) may provide better performance and fuel efficiency due to the vehicle's design. Always refer to the owner’s manual for specific recommendations regarding fuel types.
What Type and Year of Mercury? (I.E., 1997 Mercury Grand Marquis.)
on the transmission
If you drive easy, you should get anywhere from 28 miles to 30 miles per gallon using 89 percent octane gasoline. Preferably Shell gasoline.
According to the 1997 Mercury Grand Marquis Owner Guide : ( 5W-30 ) is the PREFERRED oil
On a 1997 Mercury Grand Marquis , 4.6 liter V8 : ( Bank 2 is the drivers side of the engine )