Ford 2008 F-550 v.3 Manuel d'utilisateur télécharger pdf (Page 365)

• Idling for long periods of time (greater than one minute) may waste

fuel.

• Anticipate stopping; slowing down may eliminate the need to stop.

• Sudden or hard accelerations may reduce fuel economy.

• Slow down gradually.

• Driving at reasonable speeds (traveling at 55 mph [88 km/h] uses

15% less fuel than traveling at 65 mph [105 km/h]).

• Revving the engine before turning it off may reduce fuel economy.

• Using the air conditioner or defroster may reduce fuel economy.

• You may want to turn off the speed control in hilly terrain if

unnecessary shifting between third and fourth gear occurs.

Unnecessary shifting of this type could result in reduced fuel

economy.

• Warming up a vehicle on cold mornings is not required and may

reduce fuel economy.

• Resting your foot on the brake pedal while driving may reduce fuel

economy.

• Combine errands and minimize stop-and-go driving.

Maintenance

• Keep tires properly inflated and use only recommended size.

• Operating a vehicle with the wheels out of alignment will reduce fuel

economy.

• Use recommended engine oil. Refer to Maintenance Product

Specifications and Capacities in this chapter.

• Perform all regularly scheduled maintenance items. Follow the

recommended maintenance schedule and owner maintenance checks

found in your vehicle’s scheduled maintenance information.

Conditions

• Heavily loading a vehicle or towing a trailer may reduce fuel economy

at any speed.

• Carrying unnecessary weight may reduce fuel economy (approximately

1 mpg [0.4 km/L] is lost for every 400 lb [180 kg] of weight carried).

• Adding certain accessories to your vehicle (for example bug

deflectors, rollbars/light bars, running boards, ski/luggage racks) may

reduce fuel economy.

2008 F-250/350/450/550 (f23)

Owners Guide (post-2002-fmt)

USA (fus)

Maintenance and Specifications

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Ford 2008 F-550 v.3 Manuel d'utilisateur Page 365