2023 FORD F650/750 Owners Manual

Page 105 of 378

FORD F650/750 2023  Owners Manual III (start) - Cranks the engine.
STARTING A GASOLINE
ENGINE
When you start the engine, the idle speed
increases helping to warm up the engine.
If the engine idle speed does not slow
down, have your ve

Page 106 of 378

FORD F650/750 2023  Owners Manual Guarding Against Exhaust Fumes
WARNING: Exhaust leaks may
result in entry of harmful and potentially
lethal fumes into the passenger
compartment. If you smell exhaust
fumes inside your vehicle, have y

Page 107 of 378

FORD F650/750 2023  Owners Manual When the engine idle shutdown process
has started:
• A chime sounds and a message
appears in the information display
showing a timer counting down from
30 seconds.
• You can reset the timer by pre

Page 108 of 378

FORD F650/750 2023  Owners Manual • Make sure the heater, heater cord and
extension cord are firmly connected.
• Check for heat anywhere in the
electrical hookup once the system has
been operating for approximately 30
minutes.
•

Page 109 of 378

FORD F650/750 2023  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 110 of 378

FORD F650/750 2023  Owners Manual personal injury or sickness may result.
If you splash fuel on your skin, promptly
wash your skin thoroughly with soap
and water. Consult a physician
immediately if you experience an
adverse reaction.

Page 111 of 378

FORD F650/750 2023  Owners Manual Note:Do not blend used engine oil with
diesel fuel under any circumstances.
Blending used oil with the fuel will
significantly increase your vehicle’s exhaust
emissions and reduce engine life due to

Page 112 of 378

FORD F650/750 2023  Owners Manual Biodiesel fuel is a chemically converted
product from renewable fuel sources, such
as vegetable oils, animal fats and waste
cooking greases.
To help achieve acceptable engine
performance and durabilit