ESSENTIALS OF GOOD FUEL ECONOMY
Measuring techniques
Your best source of information about actual fuel economy is you, the
driver. You must gather information as accurately and consistently as
possible. Fuel expense, frequency of fill-ups or fuel gauge readings are
NOT accurate as a measure of fuel economy. We do not recommend
taking fuel economy measurements during the first 1,600 km (1,000 miles)
of driving (engine break-in period). You will get a more accurate
measurement after 3,000 km±5,000 km (2,000 miles-3,000 miles).
Filling the tank
The advertised fuel capacity of the fuel tank on your vehicle is equal to
the rated refill capacity of the fuel tank as listed in theRefill capacities
section of this chapter.
The advertised capacity is the amount of the indicated capacity and the
empty reserve combined. Indicated capacity is the difference in the
amount of fuel in a full tank and a tank when the fuel gauge indicates
empty. Empty reserve is the small amount of fuel remaining in the fuel
tank after the fuel gauge indicates empty.
The amount of usable fuel in the empty reserve varies and should
not be relied upon to increase driving range. When refueling your
vehicle after the fuel gauge indicates empty, you might not be
able to refuel the full amount of the advertised capacity of the
fuel tank due to the empty reserve still present in the tank.
For consistent results when filling the fuel tank:
²Turn the engine/ignition switch to the off position prior to refueling,
an error in the reading will result if the engine is left running.
²Use the same filling rate setting (low Ð medium Ð high) each time
the tank is filled.
²Allow no more than 2 automatic click-offs when filling.
²Always use fuel with the recommended octane rating.
²Use a known quality gasoline, preferably a national brand.
²Use the same side of the same pump and have the vehicle facing the
same direction each time you fill up.
²Have the vehicle loading and distribution the same every time.
Your results will be most accurate if your filling method is consistent.
Calculating fuel economy
1. Fill the fuel tank completely and record the initial odometer reading
(in kilometers or miles).
Maintenance and Specifications
209
Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
REFILL CAPACITIES
Fluid Ford Part
NameApplication Capacity
Brake fluid Motorcraft
High
Performance
DOT 3 Motor
Vehicle Brake
FluidAll Between MAX
and MIN on
reservoir
Engine
coolant
1Motorcraft
Premium Gold
Engine Coolant
(yellow-colored)3.0L V6 Vulcan
engine11.0L (11.6
quarts)
3.0L V6 Duratec
engine10.0L (10.6
quarts)
Engine oil
(includes filter
change)
2
Motorcraft SAE
5W-20
Premium
Synthetic
Blend Motor
Oil (US)
Motorcraft SAE
5W-20 Super
Premium
Motor Oil
(Canada)3.0L V6 Vulcan
engine4.25L (4.5 quarts)
3.0L V6 Duratec
engine5.7L (6.0 quarts)
Fuel tank
capacityN/A All vehicles 68.1L (18.0
gallons)
Power steering
fluidMotorcraft
MERCONt
AT F3.0L V6 Vulcan
engineFill to line on
dipstickFill to line
on reservoir
3.0L V6 Duratec
engineFill to line on
reservoir
Maintenance and Specifications
232
