2021 FORD E SERIES Owners Manual

Page 89 of 301

FORD E SERIES 2021  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 90 of 301

FORD E SERIES 2021  Owners Manual •
Adding certain accessories to your
vehicle such as bug deflectors, rollbars
or light bars, running boards and ski
racks.
• Using fuel blended with alcohol.  See
Fuel Quality (page 82).
• Fuel

Page 91 of 301

FORD E SERIES 2021  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 92 of 301

FORD E SERIES 2021  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 93 of 301

FORD E SERIES 2021  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

Page 94 of 301

FORD E SERIES 2021  Owners Manual 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

Page 95 of 301

FORD E SERIES 2021  Owners Manual AUTOMATIC TRANSMISSION
WARNING: Apply the parking
brake, shift into park (P), switch the
ignition off and remove the key before
you leave your vehicle. Failure to follow
this instruction could result

Page 96 of 301

FORD E SERIES 2021  Owners Manual Tow/Haul Mode
To activate tow/haul, press the
button on the gearshift lever.
The TOW HAUL indicator light
illuminates in the instrument cluster.
The tow/haul feature:
• Delays upshifts to reduce the