On E-Series vehicles (6.0L engine), it is important to change the
engine oil at the recommended service intervals, because oil viscosity is
important in maintaining the oil pressure required to actuate the fuel
injectors.
On F-Super Duty vehicles (6.4L engine), it is important to change
the engine oil at the recommended service intervals to maintain oil
viscosity with the addition of the Diesel Particulate Filter (DPF)
Fast start glow plug system
The glow plug system consists of:
• eight glow plugs
• the glow plug control module (GPCM)
• engine oil temperature (EOT) sensor
• barometric pressure (BARO) sensor
The glow plug system is
electronically controlled by the
PCM. The GPCM energizes the glow
plugs immediately after the ignition
is placed in the ON position, then determines how long the glow plugs
will be on according to the EOT and BARO sensors. The required time
for the glow plugs to be energized decreases as the engine oil
temperature and barometric pressure increase.
Engine cooling system
The engine cooling system contains an engine oil cooler which is
mounted in the center valley of the engine. The cooler’s function is to
regulate engine oil temperature.
Fuel and turbocharger cooling system (F-Super Duty only)
The fuel and turbocharger cooling system contains a cooler which is
mounted on the turbo interstage U-tube on the left side of the engine.
The cooler’s function is to regulate engine fuel temperature and cool the
electronics that support the turbocharger. You may hear the auxiliary
coolant pump running up to 10 minutes after the ignition is turned OFF
in hot weather or if you are towing heavy loads. This is to control the
temperature of the turbocharger.
2008 Econoline (eco)
Supplement
USA (fus)
Introduction
5
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