2022 FORD F-650/750 Owners Manual

Page 113 of 379

FORD F-650/750 2022  Owners Manual RUNNING OUT OF FUEL -
DIESEL
Avoid running out of fuel. This allows air to
enter the fuel system and may make it
difficult to restart your vehicle.
If your vehicle runs out of fuel:
•
Normally addin

Page 114 of 379

FORD F-650/750 2022  Owners Manual Fuel Filler Cap
WARNING: 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

Page 115 of 379

FORD F-650/750 2022  Owners Manual WARNING: Do not remove the fuel
pump nozzle from its fully inserted
position when refueling.
Use the following guidelines to avoid
electrostatic charge build-up when filling
an ungrounded fuel contain

Page 116 of 379

FORD F-650/750 2022  Owners Manual Filling the Fuel 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-medi

Page 117 of 379

FORD F-650/750 2022  Owners Manual FUEL TANK SELECTOR
SWITCH (IF EQUIPPED)
Your vehicle may have 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-

Page 118 of 379

FORD F-650/750 2022  Owners Manual 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 t

Page 119 of 379

FORD F-650/750 2022  Owners Manual •
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

Page 120 of 379

FORD F-650/750 2022  Owners Manual 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 emi