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Biodiesel
You may operate your vehicle on diesel
fuels containing up to 20% biodiesel, also
known as B20.
Biodiesel fuel is a chemically converted
product from renewable fuel sources, such
as vegetable oils, animal fats and waste
cooking greases.
To help achieve acceptable engine
performance and durability when using
biodiesel in your vehicle:
•
Confirm the biodiesel content of the
fuel to be B20 (20% biodiesel) or less
by checking the label on the fuel pump.
• Only use biodiesel fuel of good quality
that complies with applicable industry
standards ASTM D975 for diesel and
ASTM D7467 for B6-B20 blends.
• Follow the recommended service
maintenance intervals. See Normal
Scheduled Maintenance (page 430).
• Do not store biodiesel fuel in the fuel
tank for more than one month.
• Do not use raw oils, fats or waste
cooking greases.
System Messages Action and Description
Message
Consider changing brands
or reducing biodiesel
content if you have cold
temperature fuel gelling
issues or this message
frequently appears.
Fuel Pres-
sure Low
Use of biodiesel in concentrations greater
than 20% may cause damage to your
vehicle, including engine or exhaust
after-treatment hardware (exhaust
catalyst and particulate filter) failures.
Using biodiesel in concentrations greater
than 20% can also cause fuel filter restrictions that may result in a lack of
power or damage to fuel system
components, including fuel pump and fuel
injector failures. See
Special Operating
Conditions Scheduled Maintenance
(page
432).
Look for a label on the fuel pump to
confirm the amount of biodiesel contained
in a diesel fuel. Biodiesel fuel blends with
greater than 5% must be labeled.
Biodiesel content is often indicated with
the letter B followed by the percent of
biodiesel in the fuel. For example, B20
indicates a fuel containing 20% biodiesel.
Ask the service station attendant to
confirm the biodiesel content of a diesel
fuel if you do not see a label on the fuel
pump.
Biodiesel fuels degrade more easily than
diesel fuels not containing biodiesel and
should not be stored in the fuel tank for
more than one month. If you plan to park
or store your vehicle for more than one
month, then you should empty your vehicle
fuel tank of biodiesel fuel. You should fill
the tank with a pure petroleum-based
diesel fuel and run your vehicle for a
minimum of 30 minutes.
If you intend to store your vehicle for more
than two months, we recommend that you
seek advice from an authorized dealer.
Note: Degraded or oxidized biodiesel can
damage fuel system seals and plastics and
corrode steel parts.
Fuel companies adjust diesel fuel
formulations for cold temperatures. Diesel
fuel which has not been correctly
formulated for cold ambient temperatures
may gel and block the fuel filters. An
indication that the fuel filters are blocked
is the engine starts, stalls after a short time
and then does not restart. If you have been
using biodiesel, you may need to use a fuel
with lower biodiesel content or discontinue
using biodiesel.
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•
An open or pinched sensor hose.
• Incorrect engine oil level.
• Incorrect fuel for climatic conditions.
• Incorrect engine oil viscosity for
climactic conditions.
Note: If these checks do not help you
correct the concern, have your vehicle
checked by an authorized dealer.
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 preceding 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.
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Page 183 of 484

BREAKING-IN
You need to break in new tires for
approximately 300 miles (480
kilometers). During this time, your vehicle
may exhibit some unusual driving
characteristics. The engine also needs to
break in. Avoid hard accelerations and
driving too fast for the first 1000 miles
(1600 kilometers). If possible, avoid
carrying heavy loads up steep grades
during the break-in period.
REDUCED ENGINE
PERFORMANCE
WARNING
Continued operation will increase the
engine temperature and cause the
engine to shut down completely.
If the engine coolant temperature gauge
needle moves to the upper limit position,
the engine is overheating. See Gauges
(page 79).
You must only drive your vehicle for a short
distance if the engine overheats. The
distance you can travel depends on
ambient temperature, vehicle load and
terrain. The engine will continue to operate
with limited power for a short time.
If the engine temperature continues to rise,
the fuel supply to the engine will reduce.
The air conditioning will switch off and the
engine cooling fan will operate continually.
1. Reduce your speed gradually and stop
your vehicle as soon as it is safe to do
so.
2. Switch the engine off immediately to prevent severe engine damage.
3. Wait for the engine to cool down.
4. Check the coolant level. See
Engine
Coolant Check (page 218). 5. Have your vehicle checked by an
authorized dealer as soon as possible.
ECONOMICAL DRIVING
Fuel economy is affected by several things
such as how you drive, the conditions you
drive under and how you maintain your
vehicle.
There are some things to keep in mind that
may improve your fuel economy:
• Accelerate and slow down in a smooth,
moderate fashion.
• Drive at steady speeds.
• Anticipate stops; slowing down may
eliminate the need to stop.
• Combine errands and minimize
stop-and-go driving (When running
errands, go to the furthest destination
first and then work your way back
home).
• Close the windows for high-speed
driving.
• Drive at reasonable speeds.
• Keep the tires properly inflated and use
only the recommended size.
• Use the recommended engine oil.
• Perform all regularly scheduled
maintenance.
There are also some things you may want
to avoid doing because they reduce your
fuel economy:
• Avoid sudden or hard accelerations.
• Avoid revving the engine before turning
off the car.
• Avoid long idle periods.
• Do not warm up your vehicle on cold
mornings.
• Reduce the use of air conditioning and
heat.
• Avoid using speed control in hilly
terrain.
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Circuits protected
Fuse rating
Fuse
Horn.
20A
F36
SYNC module.
7.5A
F37
GPS module.
Blower motor relay.
5A
F38 Horn relay.
Windshield wiper relay.
Remote keyless entry.
7.5A
F39 Rear heating, ventilation and air conditioning.
Trailer tow backup relay coil.
Park lamp relay coil.
Front blower motor.
40A
F40
Rear blower motor.
40A
F41
Heated rear window.
40A
F42
Trailer socket.
30A
F43
Trailer tow module.
Auxiliary power points.
60A
F44
Trailer connectors B+ supply.
40A
F45
Trailer tow module.
Power windows.
30A
F46
Cigar lighter socket.
20A
F47
Rear auxiliary power points.
20A
F48
Front auxiliary power points.
20A
F49
Ignition relay 1.
60A
F50
Power step or heated seats.
30A
F51 Power step and heated seats.
60A
Modified vehicle connections.
40A
F52
Modified vehicle connections.
40A
F53
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UNDER HOOD OVERVIEW - 3.5L ECOBOOST™
Air cleaner. See Changing the Engine Air Filter (page 237).
A
Engine oil dipstick *
. See
Engine Oil Dipstick (page 216).
B
Brake fluid reservoir *
. See
Brake Fluid Check (page 223).
C
Engine coolant reservoir *
. See
Engine Oil Check (page 216).
D
Engine compartment fuse box. See
Fuses (page 196).
E
Engine oil filler cap *
. See
Engine Oil Check (page 216).
F
Power steering fluid reservoir *
. See
Power Steering Fluid Check (page 223).
G
Washer fluid reservoir *
. See
Washer Fluid Check (page 223).
H
* The filler caps and the engine oil dipstick are colored for easy identification.
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F
Page 217 of 484
UNDER HOOD OVERVIEW - 3.7L
Air cleaner. See Changing the Engine Air Filter (page 237).
A
Engine oil dipstick *
. See
Engine Oil Dipstick (page 216).
B
Brake fluid reservoir *
. See
Brake Fluid Check (page 223).
C
Engine coolant reservoir *
. See
Engine Oil Check (page 216).
D
Engine compartment fuse box. See
Fuses (page 196).
E
Engine oil filler cap *
. See
Engine Oil Check (page 216).
F
Power steering fluid reservoir *
. See
Power Steering Fluid Check (page 223).
G
Washer fluid reservoir *
. See
Washer Fluid Check (page 223).
H
* The filler caps and the engine oil dipstick are colored for easy identification.
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F
Page 218 of 484
UNDER HOOD OVERVIEW - 3.2L POWER STROKE DIESEL
Air cleaner. See Changing the Engine Air Filter (page 237).
A
Engine oil dipstick *
. See
Engine Oil Dipstick (page 216).
B
Engine oil filler cap *
. See
Engine Oil Check (page 216).
C
Brake and clutch fluid reservoir *
. See
Brake Fluid Check (page 223).
D
Engine coolant reservoir *
. See
Engine Coolant Check (page 218).
E
Engine compartment fuse box. See
Fuses (page 196).
F
Power steering fluid reservoir *
. See
Power Steering Fluid Check (page 223).
G
Washer fluid reservoir *
. See
Washer Fluid Check (page 223).
H
* The filler caps and the engine oil dipstick are colored for easy identification.
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ENGINE OIL DIPSTICK - 3.5L
ECOBOOST™
Minimum
A
Maximum
B
ENGINE OIL DIPSTICK - 3.7L Minimum
A
Maximum
B ENGINE OIL DIPSTICK - 3.2L
POWER STROKE DIESEL
Minimum
A
Maximum
B
ENGINE OIL CHECK
1. Make sure that your vehicle is on level ground.
2. Switch off the engine and wait 10 minutes for the oil to drain into the oil
pan.
3. Remove the dipstick and wipe it with a clean, lint free cloth. Replace the
dipstick and remove it again to check
the oil level.
If the oil level is at the minimum mark, add
oil immediately. See Capacities and
Specifications (page 281).
Note: Check the oil level before starting the
engine.
Note: Make sure that the oil level is
between the minimum and the maximum
marks.
Note: Do not use oil additives or other
engine treatments. Under certain conditions,
they could damage the engine.
Note: The oil consumption of new engines
reaches its normal level after approximately
3,000 mi (5,000 km)
.
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