2018 FORD F-650/750 check engine light

If these modified engine performance
characteristics persist for an extended
period and either the service engine soon
or powertrain malfunction, reduced power,
electronic throttle control light is
illuminated, have the system checked by
an authorized dealer.
Service engine soon
Powertrain malfunction, reduced
power, electronic throttle control
Diesel Lubrication System
It is important to change the engine oil at
the recommended service intervals or
when indicated by the information display
to maintain oil viscosity. Extending the oil
and filter change interval beyond the
recommended interval can negatively
affect engine performance, fuel economy
and engine life. See Engine Oil Check
(page 190).
Engine and secondary cooling system
The cooling system contains a primary
cooling loop to cool the engine and a
secondary cooling loop to cool the
transmission, charge air, and fuel. The
coolant serves three primary purposes: to
provide heat transfer, freeze point
protection, and corrosion protection using
additives.
Vehicles with diesel engines typically are
used to carry heavy loads and accumulate
mileage rapidly. These two factors may
cause the additives in the coolant to wear
out in a shorter time. You can find more
information about coolant additives and
coolant change intervals in the coolant
chapter. See
General Maintenance
Information (page 320). Operating the
engine with insufficient coolant or coolant
additive can cause severe engine damage. Selective catalytic reduction system
Your vehicle is equipped with a selective
catalytic reduction system designed to
reduce emission levels of nitrogen oxides
from the exhaust of your diesel engine. This
system relies on the use of Diesel Exhaust
Fluid (DEF) that you must replenish at
certain intervals. Failure to maintain proper
DEF levels or if the DEF becomes
contaminated will result in vehicle speed
limitations or result in your vehicle entering
an idle-only mode. See
Selective
Catalytic Reductant System (page 105).
Minor Troubleshooting Guide
If the engine won ’t crank WARNING
Battery posts, terminals and related
accessories contain lead and lead
compounds. Wash hands after
handling. Turn on the headlights. If the lights are dim,
do not go on at all or when the ignition is
turned to the start position, the lights
become dim or go out, the battery
connections may be loose or corroded, or
the battery may be discharged. If there is
a clicking or stuttering sound coming from
the engine compartment when you turn
the key to the start position, this may also
indicate a loose or corroded battery
connection.
Check the battery connections at the
battery posts, cable connection to the
engine grounding point and at the starter
connection.
If you suspect a discharged battery, have
it checked and corrected.
9
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Introduction

Engine Oil Pressure Gauge
Indicates engine oil pressure. The needle
should stay in the normal operating range
(between L and H). If the needle falls
below the normal range, stop the vehicle,
switch off the engine and check the engine
oil level. Add oil if needed. If the oil level is
correct, have your vehicle checked by an
authorized dealer.
Engine Coolant Temperature
Gauge
WARNING
Never remove the coolant reservoir
cap while the engine is running or hot.
Indicates engine coolant temperature. At
normal operating temperature, the level
indicator is in the normal range. If the
engine coolant temperature exceeds the
normal range, stop the vehicle as soon as
safely possible, switch off the engine and
let the engine cool.
Transmission Fluid Temperature
Gauge
Indicates transmission fluid temperature.
At normal operating temperature, the level
indicator is in the normal range. If the
transmission fluid temperature exceeds
the normal range, stop the vehicle as soon
as safely possible and verify the airflow is
not restricted such as snow or debris
blocking airflow through the grille.
Special operating conditions, such as
snowplowing, towing or off-road use, can
cause higher than normal operating
temperatures. See Special Operating
Conditions Scheduled Maintenance
(page
330). Operating the transmission for extended
periods with the gauge in the higher than
normal area may cause internal
transmission damage. We recommend
altering the severity of the driving
conditions to lower the transmission
temperature into the normal range. If the
gauge continues to show high
temperatures, contact an authorized
dealer.
Fuel Gauge
Note:
The fuel gauge may vary slightly
when your vehicle is moving or on a gradient.
Switch the ignition on. The fuel gauge
indicates approximately how much fuel is
in the fuel tank. The arrow adjacent to the
fuel pump symbol indicates on which side
of your vehicle the fuel filler door is located.
The needle should move toward F when
you refuel your vehicle. If the needle points
to E after adding fuel, this indicates your
vehicle needs service soon.
After refueling, some variability in needle
position is normal:
• It may take a short time for the needle
to reach F after leaving the gas station.
This is normal and depends upon the
slope of pavement at the gas station.
• The fuel amount dispensed into the
tank is a little less or more than the
gauge indicated. This is normal and
depends upon the slope of pavement
at the gas station.
• If the gas station nozzle shuts off
before the tank is full, try a different
gas pump nozzle.
Gauge Package
(If Equipped)
If your vehicle is equipped with the optional
gauge package, it has some or all of the
following gauges:
57
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster

Fuel gauge.
D
Speedometer.
E
Information display.
F
Tachometer.
G
Engine Oil Pressure Gauge
Indicates engine oil pressure. The needle
should stay in the normal operating range
(between L and H). If the needle falls
below the normal range, stop the vehicle,
switch off the engine and check the engine
oil level. Add oil if needed. If the oil level is
correct, have your vehicle checked by an
authorized dealer.
Engine Coolant Temperature
Gauge WARNING
Never remove the coolant reservoir
cap while the engine is running or hot.
Indicates engine coolant temperature. At
normal operating temperature, the level
indicator is in the normal range. If the
engine coolant temperature exceeds the
normal range, stop the vehicle as soon as
safely possible, switch off the engine and
let the engine cool.
Diesel Exhaust Fluid (DEF) Gauge
Indicates the fluid level in the DEF tank.
Fuel Gauge
Note:
The fuel gauge may vary slightly
when your vehicle is moving or on a gradient.
Switch the ignition on. The fuel gauge
indicates approximately how much fuel is
in the fuel tank. The arrow adjacent to the
fuel pump symbol indicates on which side
of your vehicle the fuel filler door is located. The needle should move toward F when
you refuel your vehicle. If the needle points
to E after adding fuel, this indicates your
vehicle needs service soon.
After refueling, some variability in needle
position is normal:
•
It may take a short time for the needle
to reach F after leaving the gas station.
This is normal and depends upon the
slope of pavement at the gas station.
• The fuel amount dispensed into the
tank is a little less or more than the
gauge indicated. This is normal and
depends upon the slope of pavement
at the gas station.
• If the gas station nozzle shuts off
before the tank is full, try a different
gas pump nozzle.
Gauge Package (If Equipped)
If your vehicle is equipped with the optional
gauge package, it has some or all of the
following gauges:
• Transmission temperature gauge:
Displays the transmission fluid
temperature at the transmission sump.
• Hourmeter:
Displays the hours of
engine run time.
• Voltmeter:
Displays electrical system
voltage.
Information Display
Odometer
Located in the bottom of the information
display. Registers the accumulated
distance your vehicle has traveled.
59
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster

Trip Computer
See General Information (page 64).
Vehicle Settings and Personalization
See
General Information (page 64).
WARNING LAMPS AND
INDICATORS
The following warning lamps and
indicators alert you to a vehicle condition
that may become serious. Some lamps
illuminate when you start your vehicle to
make sure they work. If any lamps remain
on after starting your vehicle, refer to the
respective system warning lamp for further
information.
Note: Some warning indicators appear in
the information display and operate the
same as a warning lamp but do not
illuminate when you start your vehicle.
Anti-Lock Braking System If it illuminates when you are
driving, this indicates a
malfunction. Your vehicle
continues to have normal braking without
the anti-lock brake system function. Have
your vehicle checked as soon as possible.
Automatic Regeneration Control
(If Equipped) Illuminates when you switch it
off.
Battery If it illuminates while driving, it
indicates a malfunction. Switch
off all unnecessary electrical
equipment and have the system checked
by an authorized dealer immediately. Brake System WARNING
Driving your vehicle with the warning
lamp on is dangerous. A significant
decrease in braking performance
may occur. It may take you longer to stop
your vehicle. Have your vehicle checked as
soon as possible. Driving extended
distances with the parking brake engaged
can cause brake failure and the risk of
personal injury. Indicates low brake fluid level or
a brake system malfunction.
Have the system checked
immediately by an authorized dealer.
Check Fuel Cap Illuminates when you may not
have properly installed the fuel
cap. Continued driving with this
light on may cause the Service engine soon
warning indicator to come on.
Check Suspension
(If Equipped) Illuminates when you press the
air suspension dump switch.
Cruise Control
(If Equipped) Illuminates when you switch on
this feature. See
Using Cruise
Control (page 137).
Diesel Exhaust Fluid
(If Equipped) Illuminates with the key in the
ON position, when the fluid is
contaminated or the level falls
below
1.0 gal (3.8 L). Refill the tank or, at
a minimum, add at least 1.0 gal (3.8 L) in
the tank.
60
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster E208811 E209041 E208808 E71340 E163176

Diesel Particulate Filter (If Equipped)
Illuminates when the soot level in the
diesel particulate filter has reached a point
where it requires operator assistance. See
Diesel Particulate Filter
(page 109).
Direction Indicator Illuminates when you switch on
the left or right direction
indicator or when you switch on
the hazard warning flashers. If the
indicators stay on or flash faster, check for
a burned out bulb.
Door Ajar Displays when the ignition is on
and any door is not completely
closed.
Electronic Locking Differential
(If
Equipped) Illuminates when using the
electronic locking differential.
Engine Oil Pressure If it illuminates with the engine
running, or when you are driving,
this indicates a malfunction.
Stop your vehicle as soon as it is safe to
do so and switch off the engine. Check the
engine oil level.
Note: Do not resume your journey if it
illuminates despite the level being correct.
Have the system checked by an authorized
dealer immediately.
Exhaust Brake On
(If Equipped) The exhaust brake indicator light
illuminates when you switch the
exhaust brake on. Fasten Seatbelt Illuminates and a tone sounds
to remind you to fasten your
seatbelt.
High Beam Illuminates when you switch on
the high beam headlamps. It
flashes when you use the
headlamp flasher.
Hydromax Illuminates to indicate normal
hydromax booster reserve
system activation when the
engine is off and the service brake pedal is
applied. This light may also illuminate
momentarily if the engine is running and
the driver turns the steering wheel fully in
one direction while braking. If the light
remains on while the engine is running, this
indicates inadequate hydraulic booster
pressure or reserve pump system failure.
Stop the vehicle as soon as possible and
seek service immediately by your
authorized dealer.
Low Fuel Level
(If Equipped) Illuminates when the fuel level
is low or the fuel tank is nearly
empty. Refuel as soon as
possible.
Parking Brake Warning Illuminates briefly when you
switch the ignition to the on
position (with the engine off). It
also illuminates when you apply the
parking brake. If the park brake lamp does
not illuminate at these times, seek service
immediately. Vehicles equipped with the
power park parking brake option: If the park
brake warning lamp begins to blink after
61
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster E163170 E171217 E71880 E146190 E208810

setting the parking brake, this may indicate
a failure in the parking brake system. Seek
service from an authorized dealer
immediately. Driving extended distances
with the parking brake engaged can cause
brake failure and the risk of personal injury.
Powertrain Malfunction/Reduced
Power/Electronic Throttle Control
(If Equipped)
Illuminates in the event of a
powertrain fault. Contact an
authorized dealer as soon as
possible.
Service Engine Soon If it illuminates when the engine
is running this indicates a
malfunction. The On Board
Diagnostics system has detected a
malfunction of the vehicle emission control
system.
If it flashes, engine misfire may be
occurring. Increased exhaust gas
temperatures could damage the catalytic
converter or other vehicle components.
Drive in a moderate fashion (avoid heavy
acceleration and deceleration) and have
your vehicle immediately serviced.
It illuminates when you switch the ignition
on prior to engine start to check the bulb
and to indicate whether your vehicle is
ready for Inspection and Maintenance
(I/M) testing.
Normally, it illuminates until the engine is
cranked and automatically turns off if no
malfunctions are present. However, if after
15 seconds it flashes eight times, this
indicates that your vehicle is not ready for
Inspection and Maintenance (I/M) testing.
See Catalytic Converter (page 103). Stability Control and Traction
Control Indicator
(If Equipped) Illuminates and slowly flashes
when you change the traction
control mode. It illuminates and
rapidly flashes during a traction or stability
control event.
Trailer Anti-Lock Brake System
(ABS) Illuminates briefly when you
switch on the ignition, and only
when a PLC trailer or a PLC
diagnostic tool is connected. If the light
fails to illuminate, remains on after you
start the vehicle or continues to flash, have
the system serviced immediately.
Transmission Tow/Haul
(If Equipped) Illuminates when you switch on
the tow/haul feature. If the light
flashes steadily, have the system
serviced immediately, damage to the
transmission could occur.
Two Speed Axle The Two Speed Axle indicator
comes on when you switch the
low axle range on.
Wait to Start
(If Equipped) Illuminates when you switch the
ignition on as part of the
pre-start system. Wait until the
wait to start indicator turns off before
attempting to start vehicle. WARNING
Do not use starting fluid, for example
ether, in the air intake system. Such
fluid could cause immediate
explosive damage to the engine and
possible personal injury. 62
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster E138639 E209040 E161509 E208809

Water in Fuel (If Equipped)
Illuminates when the fuel
filter/water separator has a
significant quantity of water in
it.
If the light illuminates when the engine is
running, stop the vehicle as soon as safely
possible, shut off the engine, then drain the
fuel filter/water separator.
Allowing water to stay in the system could
result in extensive damage to, or failure of,
the fuel injection system. WARNING
Do not drain the water-in-fuel
separator while the engine is running.
Failure to follow this warning may
result in fire, serious injury, death or
property damage. AUDIBLE WARNINGS AND
INDICATORS
Beltminder Warning
Sounds when a safety belt is unfastened
in an occupied seat and your vehicle is
moving.
Door Ajar
Sounds when a door is not fully closed and
your vehicle is moving.
Headlamps On Warning Chime
Sounds when you remove the key from the
ignition and open the driver's door and you
have left the headlamps or parking lamps
on.
Key in Ignition Warning Chime
Sounds when you open the driver's door
and you have left the key in the ignition
with it in the off or accessory position. Parking Brake On Warning Chime
Sounds when you have left the parking
brake on and drive your vehicle. If the
warning chime remains on after you have
released the parking brake, have the
system checked by your authorized dealer
immediately.
63
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Instrument Cluster

TRIP A/B
Registers the distance of individual
journeys. Press and release the INFO
button until TRIP A/B appears in the
display (this represents the trip mode).
Press and hold the RESET button to reset.
XXX MILES (km) TO E
This displays an estimate of approximately
how far you can drive with the fuel
remaining in your tank under normal driving
conditions. Remember to turn the ignition
off when refueling to allow this feature to
detect the correct amount of added fuel.
The system calculates the distance to
empty by using a running average fuel
economy, which uses your recent driving
history of 500 miles (800 km).
This value is not the same as the average
fuel economy display. The running average
fuel economy resets to a factory default
value if the battery is disconnected.
XX.X AVG MPG (L/100km)
Average fuel economy displays your
average fuel economy in miles per gallon
or liters/100 km.
MPG (L/km)
Displays the instantaneous fuel economy
as a bar graph. Your vehicle must be
moving to calculate instantaneous fuel
economy. You cannot reset the
instantaneous fuel economy.
TIMER
Displays the trip elapsed drive time. Press
and release RESET to pause the timer.
Press and hold RESET to reset the timer.
EXHAUST FILTER
Displays information about the status of
the exhaust filter.
System Check and Vehicle Feature
Customization
Press the SETUP button repeatedly to
cycle the information display through the
following features:
Note:
Some options may appear slightly
different or not at all if the items are
optional.
Note: When returning to the SETUP menu
and you selected a non-English language,
HOLD RESET FOR ENGLISH displays to
change back to English. Press and hold the
RESET button to change back to English. SETUP
OIL LIFE
Press the RESET button
RESET FOR SYSTEM
CHECK
ENGINE HOURS
DEF LEVEL*
All DOORS CLOSED
CHECK BRAKE SYSTEM
HOLD RESET = NEW
OIL LIFE
English or Metric
UNITS
65
F650750 (TBC) , enUSA, Edition date: 201708, First Printing Information Displays