
STARTING THE ENGINE
Read all starting instructions carefully before you start your vehicle.
For temperatures below 32°F (0°C), the use of the correct grade engine
oil is essential for proper operation. Refer toEngine oil specifications
in theMaintenancechapter for more information.
Your vehicle may be equipped with a cold weather starting strategy that
prevents severe engine damage by assisting in engine lubrication
warm-up. In extremely cold ambient temperatures, this strategy activates
and prevents the accelerator pedal from being used for 30 seconds after
starting the vehicle. By not allowing the accelerator pedal to be used, the
engine oil is allowed to properly lubricate the bearings preventing engine
damage due to lack of proper lubrication. After the 30 second warm-up
period, the accelerator pedal will be operational again as long as the
pedal is not being pressed when the 30 second time limit expires. When
starting the engine in extremely cold temperatures (-15°F [–26°C]), it is
recommended to allow the engine to idle for several minutes before
driving the vehicle.
Make sure the gearshift lever is in P (Park) and the parking brake is fully
set before you turn the key. Do not press the accelerator during starting.
Cold Weather Starting
WARNING:Do not use starting fluid, such as ether, in the air
intake system (see air filter decal). Such fluid could cause
immediate explosive damage to the engine and possible personal injury.
WARNING:Do not add gasoline, gasohol or alcohol to diesel
fuel. This practice creates a serious fire hazard and causes
engine performance problems.
It is recommended that the engine block heater be used for starting
when the temperature is -10°F (-23°C) or colder. Refer toEngine block
heater (if equipped)in theStarting and Stopping the Enginechapter
of yourOwner’s Manual.
When operating in cold weather, Motorcraft® cetane improvers or
non-alcohol-based cetane improvers from a reputable manufacturer may
be used as needed.
Starting and Stopping the Engine
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In cold weather below 32°F (0°C), the engine may slowly increase to a
higher idle speed if left idling in P (Park). As the engine warms-up, the
engine sound level decreases due to the activation of PCM-controlled
sound reduction features.
If your vehicle is operated in a heavy snow storm or blowing snow
conditions, the engine air induction may become partially clogged with
snow and/or ice. If this occurs, the engine may experience a significant
reduction in power output. At the earliest opportunity, clear all the snow
and/or ice away from inside the air filter assembly. Remove the air
cleaner cover and the pleated paper filter, leaving the foam filter in and
remove any snow or ice. Make sure the foam filter is installed correctly
in place. Remove any debris, snow and/or ice on the foam filter by
brushing the surface with soft brush. Do not use water, solvents, or a
hard brush for cleaning the foam filter.
In order to operate the engine in temperatures of 32°F (0°C) or lower,
read the following instructions:
•Make sure that the batteries are of sufficient size and are fully
charged. Check other electrical components to make sure they are in
optimum condition.
•Use the proper coolant solution at the concentration recommended to
protect the engine against damage from freezing.
•Try to keep the fuel tank full as much as possible at the end of
operation to prevent condensation in the fuel system.
•Make sure you use proper cold weather engine oil and that it is at its
proper level. Also, if necessary, make sure to follow the engine oil and
filter change schedule found under theSpecial operating conditions
section listed in thescheduled maintenance information.
•At temperatures of -10°F (-23°C) or below, it is recommended that
you use an engine block heater to improve cold engine starting.
•If operating in arctic temperatures of -20°F (-29°C) or lower, consult
your truck dealer for information about special cold weather
equipment and precautions.
The following cold weather idling guidelines are recommended:
•Motorcraft® cetane improvers or non-alcohol-based cetane improvers
from a reputable manufacturer may be used as needed.
•Maintain the engine cooling system properly.
•Avoid shutting the engine down after an extensive idling period. Drive
the vehicle for several miles with the engine at normal operating
temperatures under a moderate load.
•Consider using an engine block heater.
•For extended idle times use an approved idle speed increase device.
Starting and Stopping the Engine
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Winter Operating Tips for Arctic Operation -20°F (-29°C) and Below
The following information is provided as a guideline only, and is not
intended to be the only source of possible solutions in resolving extreme
cold temperature issues.
Starting Aids:
WARNING:Do not use starting fluid, such as ether, in the air
intake system (see air filter decal). Such fluid could cause
immediate explosive damage to the engine and possible personal injury.
The use of the factory engine block heater assists in engine starting in
extreme cold ambient temperatures. Refer toEngine block heaterin the
Starting and Stopping the Enginechapter of yourOwner’s Manual.
Idle Control:
•Your vehicle may have a factory option for a stationary elevated idle
control (SEIC) through dash-mounted upfitter switches which allows
the operator to elevate the idle rpm for extended idle periods, as well
as aftermarket equipment such as PTO operation. This feature must
be configured even if ordered from the factory. See your authorized
dealer for required upfitting.
Operation in Snow and Rain
Vehicle operation in heavy snowfall or extreme rain conditions may feed
excessive amounts of snow/water into the air intake system. This could
plug/soak the air filter with snow and may cause the engine to lose
power and possibly shut down.
The following actions are recommended after operating the vehicle up to
200 miles (320 kilometers) in snowfall or extreme rain:
•Snow:At the earliest opportunity, open the hood and clear all the
snow and ice from the air filter housing inlet (do not remove the
foam filter) and reset the air filter restriction gauge.Note:Removal
of the foam filter degrades vehicle performance during snow and hot
weather conditions.
•Extreme rain:The air filter dries after about 15–30 minutes at
highway speeds. At the earliest opportunity, open the hood and reset
the air filter restriction gauge.
Refer toAir filter and restriction gaugein theMaintenancechapter of
this supplement for more information.
Starting and Stopping the Engine
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Operation in Standing Water
Ingestion of water into the diesel engine can result in immediate and
severe damage to the engine. If driving through water, slow down to
avoid splashing water into the intake. If the engine stalls, and ingestion
of water into the engine is suspected, do not try to restart the engine.
Consult your dealer for service immediately.
The fuel tank is vented to atmosphere by valves on top of the tank and
through the fuel cap. If water reaches this level water may be pulled into
the fuel tank. Water in the fuel can cause performance issues and
damage the fuel injection system.
Engine Block Heater (If Equipped)
Refer to theStarting and Stopping the Enginechapter in your
Owner’s Manual.
Rapid Heat Supplemental Heating System (If Equipped)
Note:Additional aftermarket electrical loads operated during engine
warm up may impact the performance of the rapid heat supplemental
heater.
The optional rapid heat feature is an electrically powered device that is
designed to provide supplemental heat during engine warm up. For
maximum effectiveness mid to low blower speed is recommended during
initial warm up. When operating in automatic mode (when equipped) the
climate control unit determines the appropriate blower speed for existing
conditions.
Starting and Stopping the Engine
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recommended oils because they will provide acceptable engine
performance and durability. These oils are also compatible with the
emission control equipment of your vehicle to meet the more stringent
emission standards.
The use of correct oil viscosities for diesel engines is important for
satisfactory operation. Determine which oil viscosity best suits the
temperature range you expect to encounter for the next service interval
from the following SAE viscosity grade chart.
1For severe duty usage, use SAE 5W-40 API CJ-4.
2For biodiesel (grades B6-B20) usage, use SAE 5W-40 or SAE
15W-40 API CJ-4.
An engine block heater is recommended at temperatures below –10°F
(–23°C).
The American Petroleum Institute
(API) service symbol is used to
identify the proper engine oil for
your engine. The API service symbol
will be included on the oil container
you purchase. The API displays the
oil performance category in the top
half of symbol and the viscosity
grade in the center of the symbol.
-20
-100
10 20 30
40
38 32 27 21 16 10 4 -1 -7 -12
-18 -23 -2950 60
7080 9010 0
SAE VISCOSITY GRADES
EXPECTED TEMPERATURE RANGE
F˚
C˚
5W-401,2
0W-30 / 0W-4015W-40
2
10W-30 (Normal Usage)
API SERVICE CJ-4
SAE10W-30
Maintenance
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Multi-point Inspection
In order to keep your vehicle running right, it is important to have the
systems on your vehicle checked regularly. This can help identify
potential issues and prevent major problems. Ford Motor Company
recommends the following multi-point inspection be performed at every
scheduled maintenance interval to help make sure your vehicle keeps
running great.
Multi-point Inspection
Accessory drive belt(s) Horn operation
Battery performance Radiator, cooler, heater and A/C hoses
Engine air filter Suspension component for leaks or
damage
Exhaust system Steering and linkage
Exterior lamps and hazard
warning system operationTires (including spare) for wear and
proper pressure
**
Fluid levels*; fill if necessary Windshield for cracks, chips or pits
For oil and fluid leaks Washer spray and wiper operation
*Brake, coolant recovery reservoir, automatic transmission, power
steering and window washer.
**If your vehicle is equipped with a temporary mobility kit, check the tire
sealant expiration Use By date on the canister. Replace as needed.
Be sure to ask your dealership service advisor or technician about the
multi-point vehicle inspection. It is a comprehensive way to perform a
thorough inspection of your vehicle. It is your checklist that gives you
immediate feedback on the overall condition of your vehicle. You will
know what has been checked, what is okay, as well as those things that
may require future or immediate attention. The multi-point vehicle
inspection is one more way to keep your vehicle running great!
Scheduled Maintenance
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