2008 FORD F750 Owners Manual

Page 177 of 273

FORD F750 2008 11.G Owners Manual If you must replace the fuel filler cap, replace it with a genuine
Ford or Motorcraft part. The customer warranty may be void for
any damage to the fuel tank or fuel system if a genuine Ford or
Motorc

Page 178 of 273

FORD F750 2008 11.G Owners Manual Using low sulfur (16-500 ppm) or high sulfur (greater than
500 ppm) diesel fuel in a diesel engine designed to use only
Ultra Low Sulfur Diesel fuel increases the likelihood of engine oil
dilution wit

Page 179 of 273

FORD F750 2008 11.G Owners Manual Running out of fuel
Avoid running out of fuel as this will allow air to enter the fuel system,
which will make restarting the vehicle difficult.
If you have run out of fuel:
•If your vehicle is equi

Page 180 of 273

FORD F750 2008 11.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

Page 181 of 273

FORD F750 2008 11.G Owners Manual Calculating fuel economy
1. Fill the fuel tank(s) completely and record the initial odometer
reading (in miles or kilometers).
2. Each time you fill the tank(s), record the amount of fuel added (in
ga

Page 182 of 273

FORD F750 2008 11.G Owners Manual Conditions
•Carrying unnecessary weight may reduce fuel economy.
•Fuel economy may decrease with lower temperatures during the first
8–10 miles (12–16 km) of driving.
•Flat terrain driving i

Page 183 of 273

FORD F750 2008 11.G Owners Manual Diesel particulate filter regeneration (Cummins engine only)
Under most operating conditions, DPF regeneration will be transparent
to the operator. A small increase in engine/turbo sound-level is norm

Page 184 of 273

FORD F750 2008 11.G Owners Manual Instrument cluster lamp(s) will
illuminate and/or flash when
operator assistance is required. In
addition, engine performance will
become increasingly limited above
Level 1.
At Levels 1 and 2, two cou