Ford F650 Owners Manual

Fuel Filler Cap
WARNINGS
The fuel system may be under
pressure. If you hear a hissing sound
near the fuel filler inlet, do not refuel
until the sound stops. Otherwise, fuel may
spray out, which could cause serious
personal injury. If you do not use the correct fuel filler
cap, excessive pressure or vacuum
in the fuel tank may damage the fuel
system or cause the fuel cap to disengage
in a crash. Failure to follow this warning
could result in serious personal injury. The fuel tank has a threaded fuel...

WARNINGS
Keep children away from the fuel
pump; never let children pump fuel.
Wait at least 10 seconds before
removing the fuel pump nozzle to
allow any residual fuel to drain into
the fuel tank. Stop refueling after the fuel pump
nozzle automatically shuts off for the
second time. Failure to follow this
will fill the expansion space in the fuel tank
and could lead to fuel overflowing. Do not remove the fuel pump nozzle
from its fully inserted position when
refueling.
Use the following guidelines to...

•
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 255).  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.
Empty reserve is the amount of fuel
remaining in the tank after...

•
Transmissions give their best fuel
economy when operated in the top
cruise gear and with steady pressure
on the accelerator pedal.
• Close the windows for high-speed
driving.
FUEL TANK SELECTOR
SWITCH (If Equipped) Your vehicle has two fuel tanks. The fuel
in each fuel tank is independently used.
Use the switch on the instrument panel to
select the left-hand or right-hand fuel tank.
The fuel gauge indicates the remaining fuel
in the selected fuel tank.  See 
Gauges
(page 56).
101
F650750 (TBC) , enUSA,...

EMISSION LAW
WARNING
Do not remove or alter the original
equipment floor covering or
insulation between it and the metal
floor of the vehicle. The floor covering and
insulation protect occupants of the vehicle
from the engine and exhaust system heat
and noise. On vehicles with no original
equipment floor covering insulation, do not
carry passengers in a manner that permits
prolonged skin contact with the metal
floor. Failure to follow these instructions
may result in fire or personal injury. U.S. federal...

•
Incorrect fuel for climatic conditions.
• Incorrect engine oil viscosity for
climactic conditions.
Note: Some vehicles have a lifetime fuel
filter that is integrated with the fuel tank.
Regular maintenance or replacement is not
needed.
Note: If these checks do not help you
correct the concern, have your vehicle
checked as soon as possible.
Noise Emissions Warranty,
Prohibited Tampering Acts and
Maintenance
On January 1, 1978, Federal regulation
became effective governing the noise
emission on trucks...

Illumination of the service engine soon
indicator, charging system warning light or
the temperature warning light, fluid leaks,
strange odors, smoke or loss of engine
power could indicate that the emission
control system is not working properly.
An improperly operating or damaged
exhaust system may allow exhaust to
enter the vehicle. Have a damaged or
improperly operating exhaust system
inspected and repaired immediately.
Do not make any unauthorized changes to
your vehicle or engine. By law, vehicle...

Your vehicle may not pass the I/M test if
the service engine soon indicator is on or
not working properly (bulb is burned out),
or if the OBD-II system has determined
that some of the emission control systems
have not been properly checked. In this
case, the vehicle is not ready for I/M
testing.
If the vehicle
’s engine or transmission has
just been serviced, or the battery has
recently run down or been replaced, the
OBD-II system may indicate that the
vehicle is not ready for I/M testing. To
determine...

WARNINGS
Only refill the diesel exhaust fluid
tank in a well ventilated area. When
you remove the diesel exhaust fluid
tank filler cap or a diesel exhaust fluid
container cap, ammonia vapors may
escape. Ammonia vapors can be irritating
to skin, eyes and mucous membranes.
Inhaling ammonia vapors can cause
burning to the eyes, throat and nose and
cause coughing and watery eyes. The diesel exhaust fluid tank has a blue
filler cap. The tank is behind the left-hand
front wheel. Fill the tank using a fluid...

1. Remove the diesel exhaust fluid
container cap. Place the spout on to
the container and tighten it until you
feel a strong resistance.
2. Remove the diesel exhaust fluid tank filler cap.
3. Insert the spout in to the filler neck until
the seal on the spout seats on to the
filler neck. Pour the fluid in to the tank.
When the tank is full the fluid will stop
flowing automatically.
4. Return the container to the vertical position slightly below the diesel
exhaust fluid filler neck. Allow any fluid...