2016 FORD SUPER DUTY Owners Manual

Page 145 of 510

FORD SUPER DUTY 2016 3.G Owners Manual SAFETY PRECAUTIONS
WARNINGS
Do not overfill the fuel tank. The
pressure in an overfilled tank may
cause leakage and lead to fuel spray
and fire. The fuel system may be under
pressure. If you hear a hi

Page 146 of 510

FORD SUPER DUTY 2016 3.G Owners Manual FUEL QUALITY
Note:
Do not add after-market fuel additive
products to your fuel tank. We recommend
that you use only high quality fuel without
after-market additives or other engine
treatments.
Note: Y

Page 147 of 510

FORD SUPER DUTY 2016 3.G Owners Manual We recommend regular unleaded gasoline
with a pump (R+M)/2 octane rating of 87.
Some stations offer fuels posted as regular
with an octane rating below 87, particularly
in high altitude areas. We do n

Page 148 of 510

FORD SUPER DUTY 2016 3.G Owners Manual Fuel Filler Cap
WARNINGS
The fuel system may be under
pressure. If you hear a hissing sound
near the fuel filler door, do not refuel
until the sound stops. Otherwise, fuel may
spray out, which could c

Page 149 of 510

FORD SUPER DUTY 2016 3.G Owners Manual Results are most accurate when the filling
method is consistent.
Calculating Fuel Economy
Do not measure fuel economy during the
first 1,000 mi (1,600 km) of driving (this is
your engine ’s break-in

Page 150 of 510

FORD SUPER DUTY 2016 3.G Owners Manual The scheduled maintenance items listed
in scheduled maintenance information are
essential to the life and performance of
your vehicle and to its emissions system.
See Scheduled Maintenance (page 456).

Page 151 of 510

FORD SUPER DUTY 2016 3.G Owners Manual If the service engine soon indicator remains
on, have your vehicle serviced at the first
available opportunity. Although some
malfunctions detected by the OBD-II may
not have symptoms that are apparen

Page 152 of 510

FORD SUPER DUTY 2016 3.G Owners Manual AUTOMATIC TRANSMISSION
WARNING
Always set the parking brake fully
and make sure the gearshift is
latched in park (P). Turn the ignition
to the off position and remove the key
whenever you leave your v