2021 FORD F650/750 check engine light
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Rear Axle Maintenance
A rear axle fluid change or level check is
not required unless you suspect a leak or
the assembly has been submerged in
water. During long periods of trailer towing
with outside temperatures above 70°F
(21°C), and at wide-open throttle for long
periods above 45 mph (72 km/h), change
the rear axle fluid every 24,000 mi
(38,000 km) or three months, whichever
comes first.
California Fuel Filter Replacement
If you register your vehicle in California, the
California Air Resources Board has
determined that the failure to perform this
maintenance item does not nullify the
emission warranty or limit recall liability
before the completion of your vehicle's
useful life. We, however, urge you to have
all recommended maintenance services
performed at the specified intervals and
to record all vehicle service.
Hot Climate Oil Change Intervals
The normal oil change interval is 3,000 mi
(5,000 km) for gasoline vehicles operating
in the Middle East, North Africa,
Sub-Saharan Africa or locations with
similar climates using American Petroleum
Institute (API) oils Certified for Gasoline
Engines and displaying the API Certification
Mark. If API Certified Oils are not available,
then it is acceptable to use API SM or SN
oils. If API oils are not available, then the
oil change interval is 1,750 mi (3,000 km). Engine Air Filter Replacement
The life of the engine air filter is dependent
on exposure to dusty and dirty conditions.
Vehicles operated in these conditions
require frequent inspection and
replacement of the engine air filter and
cabin air filter.
Diesel Particulate Filter
Over time, a slight amount of ash builds
up in the diesel particulate filter, which is
not removed during the regeneration
process. The filter may need to be replaced
with a new or remanufactured part at
approximately 250,000 mi (400,000 km).
Actual mileage varies depending on engine
and vehicle operating conditions.
In this case, the engine control system sets
a service light (wrench icon) to inform you
to bring your vehicle to the dealer for
service. If there are any issues with the
oxidation catalyst or particulate filter
system, a service light (wrench or engine
icon) sets by the engine control system to
inform you to bring your vehicle into a
dealer for service.
SCHEDULED MAINTENANCE
RECORD
After the scheduled maintenance services
are performed, record the Repair Order #,
Distance and Engine Hours in the boxes
provided.
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2
2-Speed Rear Axle.......................................129
Axle Shifting......................................................... 129
A
A/C See: Climate Control........................................... 79
About This Manual
...........................................7
Diesel Engine Information................................... 8
Minor Troubleshooting Guide............................ 9
Warnings.................................................................... 8
ABS See: Brakes........................................................... 130
ABS driving hints See: Hints on Driving With Anti-Lock
Brakes.................................................................. 131
Accessories.....................................................315
Accessories See: Replacement Parts
Recommendation............................................. 17
ACC See: Using Adaptive Cruise Control............148
Adjusting the Headlamps........................240 Horizontal Aim Adjustment............................ 241
Vertical Aim Adjustment................................ 240
Adjusting the Steering Wheel
....................52
Air Brakes.........................................................135
Air Chamber Stroke Indication...................... 135
Cam Brakes - Automatic Slack Adjusters........................................................... 136
Emergency Air Brake......................................... 136
Air Conditioning See: Climate Control........................................... 79
Air Filter See: Changing the Engine Air Filter - 6.7L
Diesel.................................................................. 221
See: Changing the Engine Air Filter - 7.3L...................................................................... 223
Air Induction System Inspection............247 Chassis-mounted Charge Air Cooler..........247
Air Suspension
..............................................169
Air Suspension Dump Button........................ 169
Connecting and Disconnecting a Trailer with Air Suspension and Air Suspension
Dump Button.................................................. 169
Suspension Conversions................................. 169System Indicator Light.....................................
169
Appendices....................................................348
At a Glance
........................................................22
Audible Warnings and Indicators.............69 Headlamps On Warning Chime..................... 69
Key in Ignition Warning Chime........................ 69
Parking Brake On Warning Chime.................69
Audio System
................................................307
General Information......................................... 307
Audio Unit
.......................................................307
Accessing the Sound Settings..................... 308
Accessing the System Settings................... 308
Adjusting the Volume...................................... 308
Changing Radio Stations............................... 308
Pausing or Playing Media............................... 308
Returning to the Previous Screen...............308
Scrolling Through the Menu Options........308
Selecting a Menu Option............................... 309
Selecting Media................................................. 308
Selecting the Radio.......................................... 309
Setting a Memory Preset............................... 309
Switching the Audio Unit On and Off........309
Using a Cell Phone........................................... 309
Using Seek, Fast Forward and Reverse............................................................. 309
Autolamps........................................................56 Windshield Wiper Activated
Headlamps........................................................ 56
Automatic High Beam Control..................57 Automatic High Beam Indicator..................... 58
Switching the System On and Off.................57
Automatic Transmission............................122 Brake-Shift Interlock......................................... 125
If Your Vehicle Gets Stuck in Mud or Snow................................................................... 126
Progressive Range Selection - PRS.............125
Understanding the Shift Positions of a 6– Speed Automatic Transmission.........122
Understanding Your SelectShift™ Automatic Transmission............................. 123
Automatic Transmission Fluid Check............................................................236
Transmission Fluid Level................................. 236
Auxiliary Power Points
.................................89
110 Volt AC Power Point.................................... 89
12 Volt DC Power Point...................................... 89
Locations................................................................ 89
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Blocked Sensor....................................................
152
Canceling the Set Speed................................. 150
Changing the Set Speed................................. 150
Detection Issues................................................... 151
Following a Vehicle............................................ 149
Hilly Condition and Trailer Tow Usage.........151
Overriding the Set Speed................................ 150
Resuming the Set Speed.................................. 151
Setting the Adaptive Cruise Speed.............149
Setting the Gap Distance................................ 150
Switching Adaptive Cruise Control Off........................................................................\
. 151
Switching Adaptive Cruise Control On........................................................................\
148
System Not Available........................................ 152
Using Snow Chains......................................277
Using Stability Control...............................146
Using Traction Control - Vehicles With: Air Brakes
......................................................142
System Indicator Light...................................... 142
Using Traction Control - Vehicles With: Hydraulic Brakes........................................142
System Indicator Light...................................... 143
Using Voice Recognition............................313 Phone Voice Service.......................................... 313
V
Vehicle Care
...................................................255
General Information......................................... 255
Vehicle Identification Number
...............286
Vehicle Inspection Guide..........................203
Vehicle Inspection Information..............203
Trailer...................................................................... 210
Transmission........................................................ 210
Vehicle Storage............................................260 Body....................................................................... 260
Brakes..................................................................... 261
Cooling system................................................... 260
Disconnecting Your 12 Volt Battery............260
Engine.................................................................... 260
Fuel system......................................................... 260
General.................................................................. 260
Miscellaneous...................................................... 261
Removing Vehicle From Storage.................. 261
Tires........................................................................\
. 261
Ventilation See: Climate Control........................................... 79VIN
See: Vehicle Identification Number............286
W
Warning Lamps and Indicators................66 Anti-Lock Braking System................................ 66
Automatic Regeneration Control................... 66
Battery..................................................................... 66
Brake System........................................................ 66
Check Suspension............................................... 66
Cruise Control....................................................... 66
Diesel Exhaust Fluid........................................... 66
Direction Indicator............................................... 66
Door Ajar.................................................................. 67
Electronic Locking Differential........................ 67
Engine Coolant Temperature........................... 67
Engine Oil Pressure.............................................. 67
Exhaust Brake On................................................. 67
Fasten Seatbelt..................................................... 67
High Beam............................................................... 67
Hydromax................................................................ 67
Low Fuel Level....................................................... 67
Parking Brake Warning....................................... 67
Parking Lamps....................................................... 67
Powertrain Malfunction/Reduced Power/Electronic Throttle Control...........68
Service Engine Soon........................................... 68
Stability Control Indicator................................ 68
Traction Control Indicator................................. 68
Traction Control System Off........................... 68
Trailer Anti-Lock Brake System (ABS) ................................................................... 68
Transmission Tow/Haul.................................... 69
Two Speed Axle.................................................... 69
Wait to Start.......................................................... 69
Water in Fuel.......................................................... 69
Washer Fluid Check....................................242
Washers See: Cleaning the Exterior.............................. 256
See: Wipers and Washers................................. 54
Waxing..............................................................257
What Is Cruise Control................................154 Requirements.......................................................154
Wheel Nuts See: Changing a Road Wheel........................ 277
Wheels and Tires
.........................................262
Technical Specifications................................. 279
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F650750 (TBC) , enUSA, Edition date: 202010, Second-Printing Index