2011 FORD SUPER DUTY Owners Manual

Page 377 of 441

FORD SUPER DUTY 2011 3.G Owners Manual WARNING:Never remove the coolant reservoir cap while the
engine is running or hot.
4. If the coolant level is normal, you may restart your engine and
continue on.
5. If the coolant is low, add coolant

Page 378 of 441

FORD SUPER DUTY 2011 3.G Owners Manual Observe the following guidelines when handling automotive fuel:
•Extinguish all smoking materials
and any open flames before
fueling your vehicle.
•Always turn off the vehicle before
fueling.
•A

Page 379 of 441

FORD SUPER DUTY 2011 3.G Owners Manual Pure ethanol is the alcohol which is the intoxicating agent in liquor, beer
and wine. It is distilled from the fermentation of plants such as field corn
and sugar cane. When ethanol is produced for us

Page 380 of 441

FORD SUPER DUTY 2011 3.G Owners Manual Refueling
WARNING:Fuel vapor burns violently and a fuel fire can cause
severe injuries. To help avoid injuries to you and others:
•Read and follow all the instructions on the pump island;
•Turn of

Page 381 of 441

FORD SUPER DUTY 2011 3.G Owners Manual WARNING:The fuel system may be under pressure. If the fuel
filler cap is venting vapor or if you hear a hissing sound, wait
until it stops before completely removing the fuel filler cap. Otherwise,
fu

Page 382 of 441

FORD SUPER DUTY 2011 3.G Owners Manual Octane recommendations
Your vehicle is designed to use “Regular” unleaded gasoline with a pump
(R+M)/2 octane rating of 87. Some stations offer fuels posted as
“Regular” with an octane rating

Page 383 of 441

FORD SUPER DUTY 2011 3.G Owners Manual Do not add aftermarket fuel additive products to your fuel tank. It
should not be necessary to add any aftermarket products to your fuel
tank if you continue to use high quality fuel of the recommende

Page 384 of 441

FORD SUPER DUTY 2011 3.G Owners Manual ESSENTIALS OF GOOD FUEL ECONOMY
Measuring techniques
Your best source of information about actual fuel economy is you, the
driver. You must gather information as accurately and consistently as
possibl