FORD F750 2015 13.G Owners Manual

Keep a record for at least one month and record the type of driving (city
or highway). This provides an accurate estimate of your vehicle’s fuel
economy under current driving conditions. Additionally, keeping records
during summer and winter shows how temperature impacts fuel
economy. In general, lower temperatures mean lower fuel economy.
SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEM (DIESEL
ENGINE ONLY)
Your vehicle is equipped with a selective catalytic reduction (SCR)
system to help reduce emission levels of oxides of nitrogen from the
exhaust of the diesel engine. The system automatically injects diesel
exhaust fluid (DEF) into the exhaust system to enable proper SCR
function.
Importance of Maintaining the DEF Level
In order for the SCR system to operate properly, you must maintain the
DEF level. Generally, you should fill the DEF tank before the DEF gauge
in the instrument cluster reaches the first low level warning (see
Warning messages and vehicle operations).
The engine control unit monitors the amount of fluid available in the
DEF tank. Failure to maintain an adequate amount of DEF in the system
generates warning messages that appear in the information display and,
unless you refill the DEF tank, leads to a forced reduction of engine
operations.
Warning Messages and Vehicle Operations
The instrument cluster contains a DEF gauge and indicator lights to alert
you to any low DEF level conditions. The indicator lights illuminate if the
DEF gauge level drops below 1 gallon (3.8 liters) in the 5-gallon
(19.0 liters) DEF tank or 2 gallons (7.6 liters) in the 10-gallon
(34.0 liters) DEF tank.
Upon filling the DEF tank after a low-level warning, normal operation
resumes when you restart your vehicle.
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Continued driving without refilling results in the following actions as
required by the U.S. Environmental Protection Agency (EPA):
Low DEF Level Warning Indications and Vehicle Consequences
DEF Tank LevelIndicator
LampsConsequence Remedy
Above initial
warning threshold
(Over 20% full).None. None. None.
Initial warning
threshold (20% full).DEF solid
None.
Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank. Critical warning
threshold (15% full).DEF
blinking
None.
First vehicle
consequence (12.5%
full).DEF
blinking
/
Amber engine
solid25% torque
reduction.
Second vehicle
consequence
(Empty). System
cannot maintain
DEF pressure.DEF
blinking
/
Amber engine
solid
Torque
reduction
increases
from 25% to
40% at rate of
1% each
minute.
Final vehicle
consequence
(Empty) and engine
intentionally shut
down (key off), in
extended idle for
one hour or fuel
tank refilled.DEF
blinking
/
Amber engine
solid
(and/or MIL is
solid)/
Red engine
solid
•40% torque
reduction
•5 mph
(8 km/h)
vehicle speed
limit
•1000 RPM
engine speed
limit.Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank. Allow the
system to prime.
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Low DEF Level Warning Indications and Vehicle Consequences
for Emergency Vehicles
DEF Tank LevelIndicator
LampsConsequence Remedy
Above initial
warning threshold
(Over 25% full).None. None. None.
Below initial warning
threshold (25% full).DEF solid
None.
Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank.. Critical warning
threshold (20% full).DEF
blinking
None.
First vehicle
consequence (15%
full).DEF
blinking
/
Amber engine
solidNone.
Final vehicle
consequence
(Empty) and engine
intentionally shut
down (key off) or in
extended idle for
one hour.DEF
blinking
/
Amber engine
solid
/
Red engine
solidNone.Add 1 gallon
(3.8L) DEF to
5-gallon (19.0L)
tank or 2 gallons
(7.6L) DEF to
9-gallon (34.0L)
tank. Allow the
system to prime.
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Incorrect DEF Quality Warning Indications and Vehicle
Consequences
ConditionIndicator
LampsConsequence Remedy
Correct DEF quality. None. None. None.
Initial warning when
detecting incorrect
DEF quality.Amber engine
solid
None.
Replace DEF
with
Ford-approved Initial warning one
hour after detecting
incorrect DEF
quality.Amber engine
solid
25% torque
reduction.
Initial warning three
hours after detecting
incorrect DEF
quality.Amber engine
solid
Torque
reduction
increases
from 25% to
40% at rate of
1% each
minute.
Final vehicle
consequence three
hours after detecting
incorrect DEF
quality and engine
intentionally shut
down (key off), in
extended idle for
one hour or fuel
tank refilled.
*
Amber engine
solid
/
Red engine
solid
•25% torque
reduction
•5 mph
(8 km/h)
vehicle speed
limit
•1000 RPM
engine speed
limit.
**
*
Refueling the fuel tank is increasing the fuel volume level by at least
15%.
**Final consequence for vehicles equipped with a manual transmission is
1000 RPM. Final consequence for vehicles equipped with an automatic
transmission is 1100 RPM.
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Incorrect DEF Quality Warning Indications and Vehicle
Consequences for Emergency Vehicles
ConditionIndicator
LampsConsequence Remedy
Correct DEF quality. None. None. None.
Initial warning when
detecting incorrect
DEF quality.Amber engine
solid
None.
Replace DEF
with
Ford-approved
DEF. Initial warning
10 hours after
detecting incorrect
DEF quality.Amber engine
solid
None.
Final vehicle
consequence
20 hours after
detecting incorrect
DEF quality and
engine intentionally
shut down (key off),
in extended idle for
one hour or fuel
tank refilled.
*
Amber engine
solidNone.
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SCR Faults and Vehicle Consequences
ConditionIndicator
LampsConsequence Remedy
No faults. None. None. None.
Initial warning when
detecting fault.Amber engine
solid
(and/or MIL is
solid)None.
Correct and
clear fault
condition. Initial warning one
hour after detecting
fault.Amber engine
solid
(and/or MIL is
solid)25% torque
reduction.
Secondary warning
five hours after
detecting fault.Amber engine
solid
(and/or MIL is
solid)Torque
reduction
increases
from 25% to
40% at rate of
1% each
minute.
Final vehicle
consequence five
hours after detecting
fault detected and
engine intentionally
shut down (key off),
in extended idle for
one hour or fuel
tank refilled.
*
Amber engine
solid
(and/or MIL is
solid)/
Red engine
solid
•40% torque
reduction
•5 mph
(8 km/h)
vehicle speed
limit
•1000 RPM
engine speed
limit.
**
*
Refueling the fuel tank is increasing the fuel volume level by at least
15%.
**Final consequence for vehicles equipped with a manual transmission is
1000 RPM. Final consequence for vehicles equipped with an automatic
transmission is 1100 RPM.
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SCR Faults and Vehicle Consequences for Emergency Vehicle
ConditionIndicator
LampsConsequence Remedy
No faults. None. None. None.
Initial warning when
detecting fault.Amber engine
solid
None.
Correct and
clear fault
condition. Initial warning
10 hours after
detecting fault.Amber engine
solid
None.
Final vehicle
consequence at
40 hours after
detecting fault and
engine intentionally
shut down (key off)
or in extended idle
for one hour.Amber engine
solid
None.
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 your
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 your vehicle
under the cab. The 9-gallon (34.0L) DEF tank is located on the right
side of your 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. We recommend using Motorcraft brand DEF bottles. You can use
other aftermarket bottles, but the bottles should have a seal on the spout
and an internal vent tube to achieve best fill performance and prevent
overfilling.
You can buy DEF at an 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. In
addition, a government website locator is available for diesel exhaust
fluid supplies. Use the following web address to find the nearest location
to buy DEF: http://www.afdc.energy.gov/afdc/locator/def.
Use Motorcraft DEF or equivalent meeting Ford
specification WSS-M2C130-A or ISO 22241. Use only
DEF certified by the American Petroleum Institute.
Look for this certification trademark. Your warranty
may not cover repairs resulting from the use of
non-certified DEF products.
Maintaining the purity of DEF is important to avoid malfunctions in the
SCR system.
If you remove DEF from the tank for any reason (such as repair work),
do not use the same DEF to refill the tank as may not have kept its
purity.
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To fill the DEF tank, see an 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.
1. Remove the cap from the DEF
container and twist the spout onto
the container until the locking tab
engages.
2. Open the DEF filler port on your
vehicle by turning the blue cap
counterclockwise a quarter-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.
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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
14-turn.
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 keep it 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, and the DEF tank is full, and you are
not going to drive your 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.
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