
FUEL FILTER/WATER SEPARATOR
Diesel Fuel Conditioner Module (DFCM)
The vehicle is equipped with a diesel fuel conditioning module (DFCM)
located on the frame-rail under the driver-side floorboard near the
transmission
Water should be drained from the
module assembly whenever the
warning light comes on and the
message center directs you to drain the water separator. This will occur
when approximately 0.32 pints (150 ml) of water accumulates in the
module. If water level is allowed to exceed this level, the water may be
passed through to the engine and may cause fuel injection equipment
damage.
Draining the DFCM
WARNING:The vehicle must be stopped with the engine off
when draining the DFCM. Fuel may ignite if the separator is
drained while the engine is running or vehicle is moving.
Note:Air will enter into the fuel system if the DFCM is drained while
the system is running. The engine will not operate properly if air enters
the system.
Note:With fuel tank levels above
3 4tank it may be necessary to loosen
the bowl 3 turns before opening the drain. This will actuate an
anti-siphon valve at the DFCM inlet and prevent the fuel from siphoning
out of the tank.
Note:A loose drain valve can allow air to enter the fuel system and
cause drivetrain issues. The engine will not operate properly. Be sure
that the drain valve is fully tightened.
1. Stop the vehicle andshut offthe engine.
2. Locate the DFCM and place an appropriate container under the drain
port (see illustration).
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3. Rotate the drain counterclockwise
until the O-ring is visible. Allow the
DFCM to drain for approximately
25 seconds or until clean fuel is
observed. Rotate the drain clockwise
to tighten it. If no liquid drains, the
drain may be clogged. Have the
DFCM serviced by your authorized
dealer.
4. Make sure that the drain valve is fully tightened, then remove the
container from under the vehicle.
5. Restart the engine. TheWATER IN FUEL DRAIN FILTERor
WATER IN FUEL DRAIN FILTER SEE MANUALmessage and light
should not be illuminated. If they continues to illuminate, have the fuel
system checked and repaired.
LOW FUEL PRESSURE MESSAGE
The engine is equipped with a low fuel pressure detection system. If the
message center displays:LOW FUEL PRESSUREthe following
explains why and what to do:
•Cold start or cold operation (below 32°F (0°C): If this message
appears during a cold start or during cold operation up to 10 minutes
after the initial cold start, monitor the message center. If it disappears
and does not re-appear after the engine has fully warmed up, the low
fuel pressure message is most likely caused by waxed or gelled fuel.
Do not use alcohol based additives to correct fuel gelling. This may
result in damage to the fuel injectors/systems. Use an anti-gel additive
as listed in theCapacities and Specificationschapter. The customer
warranty may be void from using additives that do not meet or exceed
Ford specifications.
If the low fuel pressure message persistently appears after re-fueling
during the cold start and cold operation conditions defined previously
and then disappear when the engine has fully warmed up, consider
different fuel sources.
•Low fuel operation: If the message appears when the vehicle is warm
and during low fuel tank level operation, i.e. the tank level is at or
very near empty, refuel the vehicle and operate the vehicle. If the
message reappears after fueling, see below. If the message does not
come back, the low fuel pressure condition was due to low fuel levels
in the fuel tank.
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OCR precautions and safe exhaust position
WARNING:Failure to comply with the following instructions for
operator commanded regeneration (OCR) may result in fire,
serious injury, death and/or property damage.
Before you start OCR, observe/do the following:
•Place the vehicle in P (Park) with the parking brake set on stable,
level ground.
•The vehicle must not be parked in a structure.
•The vehicle must be 10 – 15 feet (3 – 5 meters) away from any
obstructions,
•and must be away from materials that can easily combust or melt such
as: paper, leaves, petroleum products, fuels, plastics and other dry
organic material, such as grass.
•Make sure there is a minimum of 1/8 tank of fuel.
•Make sure all fluids are at proper levels.
Make sure that the louvers (holes) located at the tip of the exhaust are
also clear of any obstructions as they are used to introduce fresh air into
the tailpipe to cool the exhaust gas as it leaves. SeeExhaustunder the
Cleaningchapter for more information.
How to start operator commanded regeneration (OCR)
WARNING:Stay clear of exhaust tip during regeneration. You or
others can be burned.
Note:OCR will not be allowed until DPF load percentage has reached
100% (Full). The DPF load percentage will fluctuate up and down when
driving your vehicle due to active and passive regenerations.
Note:During the use of OCR, you may observe a light amount of white
smoke. This is normal.
OCR will not be allowed to operate
if the service engine soon light is
illuminated
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Base information display procedure
1. Start with the vehicle engine fully warmed.
2. Press the Info button on the steering wheel until the information
display reads one of the following choices:
•If the DPF needs cleaning and the vehicle is warmed up, a message
requesting permission to initiate filter cleaning will be displayed
EXHST XX% FULL CLEAN Y/NorEXHAUST FILTER FULL.
Answer yes to this prompt and then follow the prompts regarding
exhaust position as needed to initiate OCR. Be sure to understand
each prompt. If you are not sure what is being asked by each prompt,
contact your authorized dealer. The display will confirm the operation
has started and when it has finished.
•If the vehicle is warmed up, the
powertrain fault indicator will
illuminate and messages
requesting permission to initiate filter cleaning will be displayed
DRIVE TO CLEAN EXHAUST FILTER+EXH OVERLOADED
CLEAN? Y/N. Answer yes to this prompt and then follow the
prompts regarding exhaust position as needed to initiate OCR. Be sure
to understand each prompt. If you are not sure what is being asked by
each prompt, contact your authorized dealer. The display will confirm
the operation has started and when it has finished. You can also drive
to clean the filter. SeeActive regenerationearlier in this chapter.
•The service engine soon light will
illuminate and the following
messagesEXH OVERLOADED
CLEAN? Y/N+REDUCED ENGINE POWERwill appear when the
system is at the point of oversaturation you will not be able to allow
cleaning . The vehicle must be serviced by an authorized dealer.
3. Once OCR starts, the engine’s rpm will rise to approximately 2,000 -
2,400 rpm and the cooling fan will increase speed; you will hear a change
in audible sound due to the fan and engine speed increase.
It is not necessary to open the hood on the engine compartment. Once
OCR is complete, the engine rpm and fan will return to normal idling.
The exhaust system will remain very hot for several minutes even after
regeneration is complete. Do not reposition the vehicle over materials
that could burn until the exhaust system has had sufficient time to
cool. Depending on the amount of soot collected by the DPF, ambient
temperature, and altitude, OCR may last from 10 to 25 minutes.
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Optional information display procedure
1. Start with the vehicle engine fully warmed.
2. From the main menu, select Gauge Mode and scroll through until one
of the following options appear:
•If the DPF needs cleaning and the vehicle is warmed up, you will be
prompted to hold OK to cleanExhaust xx% FullorExhaust Filter
Full. Press OK and then follow the prompts regarding exhaust
position as needed to initiate OCR. Be sure to understand each
prompt. If you are not sure what is being asked by each prompt,
contact your authorized dealer. The display will confirm the operation
has started and when it has finished.
•When the exhaust system is
overloaded cleaning will be
allowed until a certain saturation
level. If the vehicle is warmed up and ready the powertrain fault
indicator will illuminate and you will be prompted to hold OK to clean
Drive to Clean Exhaust System+Exhaust Filter Overloaded.
Press OK and then follow the prompts regarding exhaust position as
needed to initiate OCR. Be sure to understand each prompt. If you are
not sure what is being asked by each prompt, contact your authorized
dealer. The display will confirm the operation has started and when it
has finished. You can also drive to clean the filter. SeeActive
regenerationearlier in this chapter.
•The service engine soon light will
illuminate and the following
messagesExhaust Filter
Overloaded+Reduced Engine PowerorReduced Engine Power
will appear when the system is at the point of oversaturation you will
not be able to allow cleaning . The vehicle must be serviced by an
authorized dealer.
3. Once OCR starts, the engine’s rpm will rise to approximately 2,000 -
2,400 rpm and the cooling fan will increase speed; you will hear a change
in audible sound due to the fan and engine speed increase.
It is not necessary to open the hood on the engine compartment. Once
OCR is complete, the engine rpm and fan will return to normal idling.
The exhaust system will remain very hot for several minutes even after
regeneration is complete. Do not reposition the vehicle over materials
that could burn until the exhaust system has had sufficient time to
cool. Depending on the amount of soot collected by the DPF, ambient
temperature, and altitude, OCR may last from 10 to 25 minutes.
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How to interrupt/cancel OCR
If OCR needs to be cancelled, pressing the brake, accelerator, or shutting
off the vehicle will stop OCR. Depending on the amount of time OCR was
allowed to operate, soot may not have had sufficient time to be
eliminated, but the exhaust system and exhaust gas may still be hot. If
the vehicle is shut off during OCR, you will notice turbo flutter. This is a
normal consequence caused by shutting off a diesel engine during
boosted operation and is considered normal.
Filter service/maintenance
Over time a slight amount of ash will build up in the DPF which is not
removed during the regeneration process. The DPF may need to be
removed for ash cleaning at approximately 120,000 miles (193,000 km)
or greater (actual mileage can vary greatly depending upon
engine/vehicle operating conditions) and replaced with a new or
remanufactured (ash cleaned) part. The filter may need to be replaced
at approximately 250,000 miles (400,000 km) depending upon
engine/vehicle operating conditions.
In both cases the engine control
system will set a service light to
inform you to bring the vehicle to
the dealer for service.
If there are any issues with the
oxidation catalyst/DPF system a
service light will be set by the
engine control system to inform you
to bring the vehicle into your
authorized dealer for service.
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EMISSION CONTROL SYSTEM(S) LAWS
WARNING:Do not remove or alter the original equipment floor
covering or insulation between it and the metal floor of the
vehicle. The floor covering and insulation protect occupants of the
vehicle from the engine and exhaust system heat and noise. On
vehicles with no original equipment floor covering insulation, do not
carry passengers in a manner that permits prolonged skin contact with
the metal floor. Provide adequate insulation. Failure to follow these
instructions may result in fire or personal injury.
In the U.S. federal law and certain state laws prohibit removing or
rendering inoperative emission control system(s). Similar federal or
provincial laws may apply in Canada. Ford recommends against any
vehicle modification without determining applicable law.
Tampering with emissions control
systems (including related sensors
and the diesel exhaust fluid (DEF)
injection system) can result in reduced engine power and the
illumination of the service engine soon light.
NOISE EMISSIONS WARRANTY, PROHIBITED TAMPERING ACTS
AND MAINTENANCE
On January 1, 1978, Federal regulation became effective governing the
noise emission on trucks over 10,000 lbs. (4,536 kg) GVWR (Gross
Vehicle Weight Rating). The following statements concerning prohibited
tampering acts and maintenance, and the noise warranty found in the
Warranty Guide, are applicable to complete chassis cabs over
10,000 lbs. (4,536 kg) GVWR.
Tampering with noise control system prohibited
Federal law prohibits the following acts or the causing thereof: (1) The
removal or rendering inoperative by any person other than for purposes
of maintenance, repair or replacement of any device or element of design
incorporated into any new vehicle for the purpose of noise control prior
to its sale or delivery to the ultimate purchaser or while it is in use, or
(2) the use of the vehicle after such device or element of design has
been removed or rendered inoperative by any person.
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Adding engine coolant
WARNING:Do not add coolant when the engine is hot. Steam and
scalding liquids released from a hot cooling system can burn you
badly. Also, you can be burned if you spill coolant on hot engine parts.
WARNING:Do not put coolant in the windshield washer fluid
container. If sprayed on the windshield, coolant could make it
difficult to see through the windshield.
WARNING:To reduce the risk of personal injury, make sure the
engine is cool before unscrewing the coolant pressure relief cap.
The cooling system(s) are under pressure; steam and hot liquid can
come out forcefully when the cap is loosened slightly.
WARNING:Do not add coolant further than the MAX mark.
Note:Do not use stop leak pellets, cooling system sealants or unapproved
additives as they can cause damage to the engine cooling and/or heating
systems. This damage would not be covered under your vehicle’s warranty.
Note:During normal vehicle operation, the engine coolant may change
color from orange to pink or light red. If the engine coolant is clear and
uncontaminated, this color change does not indicate the engine coolant
has degraded nor does it require the engine coolant to be drained, the
system to be flushed, or the engine coolant to be replaced.
•DO NOT MIX different colors or types of coolant in your vehicle. Only
use prediluted engine coolant that meets Ford specification . Mixing of
engine coolants may harm your engine’s cooling system. The use of an
improper coolant may harm engine and cooling system components
and may void the warranty.
•In case of emergency, a large amount of water without engine coolant
may be added in order to reach a vehicle service location. In this
instance, the cooling system must be drained, chemically cleaned, and
refilled with engine coolant as soon as possible per the instructions in
the Workshop Manual. Water alone (without engine coolant) can cause
engine damage from corrosion, overheating or freezing.DO NOTuse
this method for the secondary cooling system. The secondary cooling
system operates close to ambient temperature, and is susceptible to
freezing in any subfreezing environment, in the absence of coolant.
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