If the fuel cap light remains on, at the next
opportunity, safely pull off of the road,
remove the fuel filler cap, align the cap
properly and reinstall it. The check fuel cap
light or Check fuel cap message may not
reset immediately. It may take several
driving cycles for the indicators to turn off.
A driving cycle consists of an engine
start-up (after four or more hours with the
engine off) followed by normal city and
highway driving.
FUEL CONSUMPTION
Empty reserve is the amount of fuel
remaining in the 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.
•
The usable capacity of the fuel tank is
the amount of fuel that can be added
into the tank after the gauge indicates
empty.
• The advertised capacity is the total fuel
tank size. See Capacities and
Specifications (page 191). It is the
combined usable capacity plus the
empty reserve.
• Due to the empty reserve, you may not
be able to refuel the full amount of the
advertised capacity of the fuel tank
even when the fuel gauge reads empty.
Filling the Tank
For consistent results when refueling:
• Turn the ignition off before fueling; an
inaccurate reading results if the engine
is left running.
• Use the same fill rate
(low-medium-high) each time the tank
is filled.
• Allow no more than one automatic
shut-off when refueling. Results are most accurate when the filling
method is consistent.
Calculating Fuel Economy
Do not measure fuel economy during the
first
1,000 mi (1,600 km) of driving (this is
your engine ’s break-in period). A more
accurate measurement is obtained after
2,000 mi (3,200 km)
to 3,000 mi
(4,800 km). Also, fuel expense, frequency
of fill ups or fuel gauge readings are not
accurate ways to measure fuel economy.
1. Fill the fuel tank completely and record
the initial odometer reading.
2. Each time you fill the fuel tank, record the amount of fuel added.
3. After at least three fill ups, fill the fuel tank and record the current odometer
reading.
4. Subtract your initial odometer reading from the current odometer reading.
To calculate L/100 km (liters per 100
kilometers) fuel consumption, multiply the
liters used by 100, then divide by kilometers
traveled. To calculate MPG (miles per
gallon) fuel consumption, divide miles
traveled by gallons used.
Keep a record for at least one month and
record the type of driving (city or highway).
This provides an accurate estimate of your
vehicle ’s fuel economy under current
driving conditions. Keeping records during
summer and winter will show how
temperature impacts fuel economy.
Conditions
• Heavily loading your vehicle reduces
fuel economy.
• Carrying unnecessary weight in your
vehicle may reduce fuel economy.
• Adding certain accessories to your
vehicle such as bug deflectors, rollbars
or light bars, running boards and ski
racks may reduce fuel economy.
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CAPACITIES AND SPECIFICATIONS - 5.4L V8
WARNING
The air conditioning refrigerant system contains refrigerant R-134a under high
pressure. Opening the air conditioning refrigerant system can cause personal injury.
Have the air conditioning refrigerant system serviced only by qualified personnel.
Capacity
Item
6.0 qt (5.7 L)
Engine oil (with oil filter)
28.7 qt (27.2 L)
Engine coolant
30.7 qt (29.1 L)
Engine coolant - with auxiliary rear heat
Between MIN/MAX on brake fluid reservoir
Brake fluid
Between MIN/MAX on power steering fluidreservoir
Power steering fluid
18.7 qt (17.7 L)*
Automatic transmission fluid
6.6 pt (3.1L)**
Dana Limited Slip Axle fluid
M70FF (M267FF)
E-350
9.7 pt (4.6L)**
Dana Limited Slip Axle fluid
M70HD (M273HD)
E-450
6.6 pt (3.1L)**
Dana conventional axle fluid
M70FF (M267FF)
E-350
9.7 pt (4.6L)**
Dana conventional axle fluid
M70HD (M273HD)
E-450
Fill as required
Windshield washer fluid
40 gal (151 L)
Fuel tank
55 gal (208 L)
Fuel tank
(Optional or E-Super Duty)
1.9 lb (0.85 kg)
A/C refrigerant
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Capacity
Item
E-450 Fill as required
Windshield washer fluid
40 gal (151 L)
Fuel tank
55 gal (208 L)
Fuel tank
(Optional or E-Super Duty)
1.9 lb (0.85 kg)
A/C refrigerant
8.0 fl oz (237 ml)
A/C refrigerant compressor oil
16.0 fl oz (473 ml)
A/C refrigerant compressor oil
(Prep package)
1 Reference the reservoir cap for proper fluid.
2 Approximate dry fill capacity. Actual amount may vary during fluid changes.
3 Fill Dana rear axles to 1/4 inch — 9/16 inch (6 mm — 14 mm) below the bottom of the
fill hole.
Specifications
Materials Specification
Name
WSS-M2C945-A1
Recommended motor oil (U.S.)
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor
Oil
XO-5W20-QSP
WSS-M2C945-A1
Recommended motor oil (Canada)
Motorcraft® SAE 5W-20 Super Premium Motor Oil
CXO-5W20-LSP12
WSS-M2C945-A1
Recommended motor oil (Mexico)
Motorcraft® SAE 5W-20 Synthetic Motor Oil
MXO-5W20-QSP
WSS-M2C945-A1
Optional motor oil (U.S. and Mexico)
Motorcraft® SAE 5W-20 Full Synthetic Motor Oil
XO-5W20-QFS
WSS-M2C945-A1
Optional Motor oil (Canada)
Motorcraft® SAE 5W-20 Synthetic Motor Oil
CXO-5W20-LFS12
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