SCR Faults and Vehicle Consequences for Emergency Vehicle
ConditionIndicator
LampsConsequence Remedy
No faults. None. None. None.
Initial warning when
fault is detected.Amber engine
solid
None.
Correct and
clear fault
condition. Initial warning
10 hours after fault
is detected.Amber engine
solid
Vehicle speed
limited to
55 mph
(88 km/h).
*
Final vehicle
consequence at
40 hours after fault
is detected and
engine intentionally
shut down (key off)
or in extended idle
for one hour.Amber engine
solid
/
Red engine
solidVehicle speed
limited to
25 mph
(40 km/h).
*The vehicle speed restriction is suspended during pump operation when
using any of the following engine control modes:
•Power take-off
•Remote power take-off
•Remote throttle
•SAE J1939–commanded pressure governor.
Filling the DEF Tank
WARNING:Make sure that DEF does not come into contact
with eyes, skin or clothing. Should DEF contact your eyes, flush
them with plenty of water and contact a physician. Clean affected skin
with soap and water. If DEF is swallowed, drink plenty of water and
contact a physician immediately.
WARNING:Refill DEF in a well-ventilated area. When opening
the cap on the DEF tank or bottle containing DEF, ammonia
vapors may escape. The vapors can be irritating to skin, eyes and
mucous membranes. Inhaling ammonia vapors can cause burning to the
eyes, throat and nose and cause coughing and watery eyes.
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Note:Do not put DEF in the fuel tank or any other tank on the vehicle.
This can cause damage to components not covered by your vehicle’s
warranty.
Your vehicle is equipped with a DEF tank with a blue-capped filler port.
The 5 gallon (19.0L) DEF tank is located on the left side of the vehicle
under the cab. The 9 gallon (34.0L) DEF tank is located on the right
side of the vehicle behind the cab (Regular Cab and Super Cab) or under
the cab (Crew Cab). The tank can be filled using a nozzle at a DEF
filling station (similar to fuel fill) or using a DEF bottle with a spout.
Motorcraft® brand DEF bottles are recommended. Other aftermarket
bottles can be used but should have a seal on the spout and an internal
vent tube to achieve best fill performance and prevent overfilling.
You can purchase DEF at your authorized dealer, most highway truck stops
or you can contact roadside assistance for help in finding a retailer that
sells DEF. See theCustomer Assistancechapter for more information.
Also, a government website locator is available for diesel exhaust fluid
supplies. The following web address can be used to find the nearest
location to purchase DEF: http://www.afdc.energy.gov/afdc/locator/def.
Use Motorcraft® DEF or equivalent meeting Ford
specification WSS-M2C130-A and/or ISO 22241. Use
only DEF certified by the American Petroleum
Institute. Look for this certification trademark. Repairs
resulting from the use of non-certified DEF products
may not be covered by your vehicle’s warranty.
Maintaining the purity of DEF is important to avoid malfunctions in the
SCR system.
If DEF is removed from the tank for any reason (such as repair work),
the same DEF must not be used to refill the tank as its purity is no
longer guaranteed.
To fill the DEF tank, see your authorized dealer or do the following
(before filling the DEF tank in cold climates, seeFilling the DEF tank
in cold climateslater in this section):
DEF Bottle Fill with Spout
The following procedure applies to Motorcraft® DEF or similar DEF
bottles. For other brands or bottle types, see the instructions on the
bottle label.
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1. Remove the cap from the DEF
container and twist the spout onto
the container until the locking tab is
engaged.
2. Open the DEF filler port on the
vehicle by turning the blue cap
counterclockwise a
1 4-turn.
3. Lift and hold the DEF container,
without tipping, and insert the
spout, into the DEF filler port.
4. Lift and tip the container to let
DEF flow into the tank. Pour DEF
until the container is empty or DEF
flow stops. DEF can be seen flowing
through the spout, but does not
completely fill the spout while
flowing. Air is trapped in the spout
while DEF is flowing. When the
DEF tank is full, DEF completely
fills the spout and displaces the air
in the spout.
5. Once the spout is full with DEF (no more large air pockets), return
the container to the vertical position slightly below the DEF filler port
and let any DEF drain out of the spout. DO NOT try to continue to add
DEF to the tank by shaking or repositioning the container to induce flow.
This may cause spilling and overfill the tank. Overfilling the DEF tank
can cause damage to the tank.
6. Once the spout has drained, remove the spout from the DEF filler
port and install the blue cap on the DEF filler port by turning the cap
clockwise a
1 4-turn.
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7. Remove the spout from the DEF container and install the cap back on
the bottle.
8. If the container is empty, discard the empty container and spout, or
recycle if possible. If there is some DEF left in the container, retain it
and the spout for later use. Store the spout to make sure it is kept clean.
9. Wipe away any DEF that has spilled on painted surfaces with water
and a damp cloth.
DEF Filling Station Nozzle Fill
Filling the DEF tank using a nozzle is similar to a normal fuel fill. The
nozzle shuts off automatically when the tank is full. Do not continue to
fill the tank as this may cause spillage and overfill the tank, which can
cause damage.
Filling the DEF Tank in Cold Climates
DEF freezes below 12°F (-11°C). If temperatures are at or below 12°F
(-11°C) for an extended period of time, and the DEF tank is full, and
you are not going to drive the vehicle, there is a risk that the tank could
freeze, causing damage. If low temperature conditions are expected, you
should keep your tank at least 50% full and make sure you add DEF on
level ground to prevent the fluid from freezing on an angle.
Contaminated DEF
SCR systems are sensitive to contamination of the DEF. USE ONLY
CERTIFIED DIESEL EXHAUST FLUID. If the system becomes
contaminated and the vehicle continues to be driven with contaminated
DEF, the following warnings result:
Reducing Agent and Vehicle Consequence
Condition Indicator Lamps Consequence
Correct reducing agent None None
Incorrect reducing agent, at
detectionAmber engine
None
Incorrect reducing agent, at
detection + 10 hoursAmber engine
40% torque
reduction
Incorrect reducing agent, at
detection + 20 hours and
engine intentionally shut
down or in extended idleAmber engine
Red engine
40% torque
reduction+5mph
(8 km/h) vehicle
speed limit
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If any of these warnings appear, the contaminated DEF must be purged
and replaced with approved DEF. See an authorized dealer or the
Workshop Manual.
Upon filling the DEF tank after a DEF contaminated warning, normal
operation resumes when the vehicle is restarted.
DEF Guidelines and Information
•DEF is non-flammable, non-toxic, colorless and water-soluble.
•Use only DEF that carries the trademark: AMERICAN PETROLEUM
INSTITUTE CERTIFIED DIESEL EXHAUST FLUID.
•An ammonia odor may be smelled when the cap is removed or during
a refill. Refill the DEF tank in a well-ventilated area.
•Prior to filling the tank, make sure the surrounding area is clean of
debris to prevent contamination.
•Do not dilute DEF with water or any other liquid.
•Do not put DEF in the fuel tank or any other tank on the vehicle.
•Do not re-use the nozzle or the DEF container once it is emptied.
•Do not overfill the DEF tank.
•Avoid spilling DEF on painted surfaces, carpeting or plastic
components. Immediately wipe away any DEF that has spilled on
painted surfaces with a damp cloth and water. If it has already
crystallized, use warm water and a sponge.
•DEF freezes below 12°F (-11°C). Your vehicle is equipped with an
automatic pre-heating system which allows the DEF system to
operate below 12°F (-11°C).
•Do not store the DEF bottle in your vehicle. If it leaks, it could cause
damage to interior components or release an ammonia odor inside the
vehicle.
•Store DEF out of direct sunlight and in temperatures between
23°F–68°F (-5°C–20°C).
NOISE EMISSIONS
In order to comply with the federal exterior noise regulations, your
vehicle may be equipped with noise emission items. Depending on the
vehicle configuration, it may have all or some of the following items:
Air Intake System:Inspect the air cleaner. Do not alter its location. Do
not alter inlet and outlet piping.
Body:Inspect wheel well splash shields, cab shields and underhood
insulation for deterioration, dislocation and orientation.
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Cooling System:
•Inspect the fan for blade damage. If damage is found, replace with
the recommended parts. Inspect for fan-to-shroud interference and
any damage to shroud, such as cracks and holes.
•Do not change fan ratio or alter fan spacer dimensions and positions.
•Inspect fan clutch for proper operation. Make sure the fan is
disengaged when cooling of the engine is not required.
•Inspect radiator shutters (if equipped) for proper operation. The
shutters should be open during normal operating temperatures.
Engine:Valve covers and block covers are made to damp-out engine
mechanical noise and, if needed, should be replaced with recommended
parts. Check for mechanical isolations.
Transmission Enclosure:Inspect for cracks, holes and tears. Clean any
deposits, such as oil, dirt and stones.
Exhaust System:
•Inspect for leaks at various joint connections and loose clamps.
•Perform a visual inspection for cracks or holes in the muffler and tail
pipe.
•Always use the recommended parts when items need to be replaced.
•Do not change the tail pipe elbow or offset tail pipe orientation from
the standard position as originally received.
•To avoid abnormal changes in vehicle sound levels, it is necessary for
the owner to perform inspections and necessary maintenance at the
intervals shown in theScheduled Maintenancechapter.
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Position P
This position locks the transmission and prevents the rear wheels from
turning.
To put your vehicle in gear:
1. Start the engine.
2. Press the brake pedal.
3. Move the gearshift lever into the desired gear.
To put your vehicle in positionP:
1. Come to a complete stop.
2. Move the gearshift lever and securely latch it in positionP.
Position R
With the gearshift lever in positionR,the vehicle moves backward. Always
come to a complete stop before shifting into and out of positionR.
Position N
With the gearshift lever in positionN,the vehicle can be started and is
free to roll. Hold the brake pedal down while in this position.
Position D
This is the normal driving position for the best fuel economy. This
position allows automatic upshifts and downshifts in gears one through
six.
Position 4
This position allows automatic upshifts and downshifts in gears one
through four.
Position 2
Use position2to start-up on slippery roads or to provide additional
engine braking on downgrades.
PRND 4 2 1
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It is not recommended, or approved, for axle conversions to be
performed. However, it is understood that, on occasion, aftermarket
add-on axles are installed by others on the truck chassis which allow
operator control for weight transfer from other axles (i.e., air lift axles).
TWO-SPEED REAR AXLE (IF EQUIPPED)
WARNING:Never shift a two-speed axle when descending a
steep grade as this may cause loss of vehicle control and result in
personal injury.
Note:Do not shift between ranges when the speed control is on.
A two-speed rear axle allows the
driver to select a low range for
greater pulling power and a high
range for greater road speed and
fuel economy. These ranges can also
be used to provide additional steps
between transmission shifts when
driving on steep grades or fuel
economy may be factors.
Axle Shifting with a Manual Transmission
To downshift, select the next lower gear, release and press the
accelerator pedal rapidly, or while holding the accelerator pedal down,
release and engage the clutch rapidly.Note:The clutch method is
recommended when driving at slower speeds.
To upshift, keep the accelerator pedal down, select the next higher gear,
release the accelerator and pause until the axle upshifts.Note:
De-clutch for smoother axle upshifts when driving at slower speeds.
Axle Shifting with an Automatic Transmission
Note:You cannot split-shift with an automatic transmission. Also,
downshifting above 40 mph (64 km/h) may result in transmission or axle
damage.
Note:Do not shift the axle to LOW with the vehicle in motion.
Use LOW when you drive a fully-loaded vehicle on a severe grade or in
congested traffic. Press the upper portion of the switch.
Use HIGH for all normal driving conditions with a lightly-loaded or
partially-loaded vehicle. Press the lower portion of the switch.
2SPD
LOW
HIGH
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