2021 FORD E-350 Owners Manual

Page 81 of 301

FORD E-350 2021  Owners Manual GENERAL INFORMATION
WARNING: Extended idling at high
engine speeds can produce very high
temperatures in the engine and exhaust
system, creating the risk of fire or other
damage. WARNING: 
Do not park

Page 82 of 301

FORD E-350 2021  Owners Manual Before starting the engine check the
following:
•
Make sure all occupants have fastened
their safety belts.
• Make sure the headlamps and
electrical accessories are off.
• Make sure the parking

Page 83 of 301

FORD E-350 2021  Owners Manual ENGINE BLOCK HEATER (IF
EQUIPPED) WARNING: 
Failure to follow engine
block heater instructions could result in
property damage or serious personal
injury. WARNING: Do not use your heater
with unground

Page 84 of 301

FORD E-350 2021  Owners Manual The heater uses 0.4 to 1.0 kilowatt-hours
of energy per hour of use. The system does
not have a thermostat. It achieves
maximum temperature after
approximately three hours of operation.
Using the heat

Page 85 of 301

FORD E-350 2021  Owners Manual SAFETY PRECAUTIONS
WARNING: Do not overfill the fuel
tank. The pressure in an overfilled tank
may cause leakage and lead to fuel spray
and fire. WARNING: 
The fuel system may
be under pressure. If you

Page 86 of 301

FORD E-350 2021  Owners Manual Your vehicle is designed to operate on
regular unleaded gasoline with a minimum
pump (R+M)/2 octane rating of 87 or
regular unleaded gasoline blended with a
maximum of 85% ethanol (E85).
Some fuel sta

Page 87 of 301

FORD E-350 2021  Owners Manual FUEL QUALITY - GASOLINE
Choosing the Right Fuel
Your vehicle is designed to operate on
regular unleaded gasoline with a minimum
pump (R+M)/2 octane rating of 87.
Some fuel stations, particularly those

Page 88 of 301

FORD E-350 2021  Owners Manual If your vehicle runs out of fuel:
•
Normally, adding 1.3 gal (5 L) of fuel is
enough to restart the engine. If your
vehicle is on a steep grade, more fuel
may be required.
• You may need to cycle