2023 FORD SUPER DUTY check engine light

If your instrument cluster display resetsprematurely or becomes inoperative, youshould perform the oil change interval atsix months or 5,000 mi (8,000 km) fromyour last oil change. Never exceed one yearor 10,000 mi (16,000 km) between oilchange intervals.
You can drive your vehicle in such a waythat may lead to higher oil consumptionincluding extended time at high enginespeeds, high loads, engine braking, hardcornering maneuvers, track and off-roadusage. Under these conditions, oilconsumption of approximately 1 quart per500 miles (1 liter per 800 km) is possible.Check the engine oil level at every refuelingand adjust to maintain proper levels toavoid engine damage.
You can also drive your vehicle in such away that dilutes and increases the level ofoil by frequent short trips that do not allowthe engine to get to operating temperature,extended idling and low speed driving forlong periods of time.
It is important to rely upon your dealershipto properly diagnose and repair yourvehicle.
We strongly recommend only using ourgenuine or our authorized re-manufacturedreplacement parts engineered for yourvehicle.
Additives and Chemicals
We do not recommend using chemicals oradditives not approved by us as part ofyour vehicle’s normal maintenance. Pleaseconsult your warranty information.
Oils, Fluids and Flushing
In many cases, fluid discoloration is anormal operating characteristic and, byitself, does not necessarily indicate aconcern or that the fluid needs to bechanged. Have discolored fluids that alsoshow signs of overheating or foreignmaterial contamination checkedimmediately.
Make sure to change the vehicle’s oils andfluids at the specified intervals or inconjunction with a repair. Flushing is aviable way to change fluid for many vehiclesub-systems during scheduledmaintenance. It is critical that systems areflushed only with new fluid that is the sameas that required to fill and operate thesystem or using our approved flushingchemical.
Owner Checks and Services
Make sure you perform the following basicmaintenance checks and inspections.
Check Every Month
The air filter restriction gauge.1
The engine oil level.
Function of all interior and the exterior lights.
The tires including the spare for wear and proper pressure.
The windshield washer fluid level.
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Multi-Point Inspection
Suspension components for leaks ordamageExhaust system
Steering and linkageExterior lamps operation
Tires including the spare for wear and
proper pressure2Fluid levels1; fill if necessary
Windshield for cracks, chips or pitsFor oil and fluid leaks
Washer spray and wiper operationHalfshaft dust boots
1 Brake, coolant recovery reservoir, automatic transmission and window washer.2If your vehicle has a temporary mobility kit, check the tire sealant expiration Use By dateon the canister. Replace as needed.
Be sure to ask your dealership serviceadvisor or technician about the multi-pointvehicle inspection. It is a comprehensiveway to perform a thorough inspection ofyour vehicle. Your checklist gives youimmediate feedback on the overallcondition of your vehicle.
NORMAL SCHEDULED
MAINTENANCE - DIESEL
Oil Change Reminder
Your vehicle comes with an oil changereminder that determines when you shouldchange the engine oil based on how youuse your vehicle.
Your vehicle lets you know when an oilchange is due by displaying a message inthe instrument cluster display.
The following table provides examples ofvehicle use and its impact on oil changeintervals. It is a guideline only. Actual oilchange intervals depend on several factorsand generally decrease with severity ofuse.
When to Expect the Message Prompting You to Change Your Oil
Vehicle Use and Examplemi (km)
Light
Up to 15,000 mi(24,000 km)
No towing.Primarily highway driving.Flat roads.Moderate temperatures.
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Services even if Intelematics or a Supplierhas been advised of the possibility of suchdamages. You also acknowledge thatneither Intelematics nor any Supplierguarantees nor make any warranties thatrelate to the availability, accuracy orcompleteness of SUNA Products and/orServices, and to the extent which it islawful to do so, both Intelematics and eachSupplier excludes any warranties whichmight otherwise be implied by any Stateor Federal legislation in relation to SUNAProducts and/or Services.
7. Please Note
Great care has been taken in preparing thismanual. Constant product developmentmay mean that some information is notentirely up-to-date. The information in thisdocument is subject to change withoutnotice.
EMISSION LAW
WARNING: Do not remove or alterthe original equipment floor covering orinsulation between it and the metal floorof the vehicle. The floor covering andinsulation protect occupants of thevehicle from the engine and exhaustsystem heat and noise. On vehicles withno original equipment floor coveringinsulation, do not carry passengers in amanner that permits prolonged skincontact with the metal floor. Failure tofollow these instructions may result infire or personal injury.
U.S. federal laws and certain state lawsprohibit removing or rendering inoperativeemission control system components.Similar federal or provincial laws mayapply in Canada. We do not approve of anyvehicle modification without firstdetermining applicable laws.
Tampering with emissionscontrol systems includingrelated sensors or the DieselExhaust Fluid system can result in reducedengine power and the illumination of theservice engine soon light.
Tampering With a Noise ControlSystem
Federal laws prohibit the following acts:
•Removal or rendering inoperative byany person other than for purposes ofmaintenance.
•Repair or replacement of any device orelement of the design incorporated intoa new vehicle for the purpose of noisecontrol prior to its sale or delivery tothe ultimate purchaser or while it is inuse.
•The use of the vehicle after any personremoves or renders inoperative anydevice or element of the design.
The U.S. Environmental Protection Agencymay presume to constitute tampering asfollows:
•Removal of hood blanket, fender apronabsorbers, fender apron barriers,underbody noise shields or acousticallyabsorptive material.
•Tampering or rendering inoperative theengine speed governor, to allow enginespeed to exceed manufacturerspecifications.
If the engine does not start, runs rough,experiences a decrease in engineperformance, experiences excess fuelconsumption or produces excessiveexhaust smoke, check for the following:
•A plugged or disconnected air inletsystem hose.
•A plugged engine air filter element.
•Water in the fuel filter and waterseparator.
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the State's stringent anti-smog standards.Ford Motor Company must warrant theemission control system on your vehiclefor the periods of time listed belowprovided there has been no abuse, neglector improper maintenance of your vehicle.
Your emission control system may includeparts such as the carburetor orfuel-injection system, the ignition system,catalytic converter and engine computer.Also included may be hoses, belts,connectors and other emission-relatedassemblies. Where a warrantable conditionexists, Ford Motor Company will repair yourvehicle at no cost to you includingdiagnosis, parts and labor.
MANUFACTURER'S WARRANTYCOVERAGE:
(For 1990 and subsequent modelpassenger cars, light-duty trucks, andmedium-duty vehicles.)
- For 3 years or 50,000 miles (whicheveroccurs first);
1) If your vehicle fails a Smog Checkinspection, all necessary repairs andadjustments will be made by Ford MotorCompany to ensure that your emissioncontrol system PERFORMANCEWARRANTY.
2) If any emission-related part on yourvehicle is defective, the part will berepaired or replaced by Ford MotorCompany. This is your short-term emissioncontrol system DEFECTS WARRANTY.
- For 7 years or 70,000 miles (whicheveroccurs first);
1) If an emission-related part listed in thiswarranty booklet specially noted withcoverage for 7 years or 70,000 miles isdefective, the part will be repaired orreplaced by Ford Motor Company. This isyour long-term emission control systemDEFECTS WARRANTY.
OWNER'S WARRANTYRESPONSIBILITIES:
- As the vehicle owner, you are responsiblefor the performance of the requiredmaintenance listed in your owner'smanual. Ford Motor Companyrecommends that you retain all receiptscovering maintenance on your vehicle, butFord Motor Company cannot denywarranty solely for the lack of receipts orfor your failure to ensure the performanceof all scheduled maintenance.
- You are responsible for presenting yourvehicle to a Ford or Lincoln dealer as soonas a problem exists. The warranty repairsshould be completed in a reasonableamount of time, not to exceed 30 days.
- As the vehicle owner, you should also beaware that Ford Motor Company may denyyou warranty coverage if your vehicle or apart has failed due to abuse, neglect,improper maintenance or unapprovedmodifications.
If you have any questions regarding yourwarranty rights and responsibilities, youshould contact Ford Customer Service at1-800-392-3673 or the California AirResource Board at 9528 Telstar Avenue,El Monte, CA 91731.
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Trailer Lighting Check................................363Trailer Reverse GuidancePrecautions.................................................401Trailer Reverse Guidance...........................401Setting Up Trailer Reverse Guidance for aConventional Trailer.....................................401Trailer Reverse Guidance –Troubleshooting............................................407Trailer Reverse Guidance –Troubleshooting........................................407Trailer Reverse Guidance – FrequentlyAsked Questions..........................................409Trailer Reverse Guidance – InformationMessages.........................................................407Trailer Sway Control Precautions...........377Trailer Sway Control....................................377Trailer Sway Control Videos.....................377Trailer Towing Hints....................................366Trailer Towing Navigation..........................581Trail Turn Assist Indicators........................275Trail Turn Assist Limitations.....................275Trail Turn Assist Precautions...................275Trail Turn Assist.............................................275Trail Turn Assist – Troubleshooting............276Trail Turn Assist –Troubleshooting........................................276Trail Turn Assist – Frequently AskedQuestions.........................................................276Trail Turn Assist – InformationMessages.........................................................276Transfer Case Fluid Capacity andSpecification...............................................242Transmission Fluid TemperatureGauge.............................................................138Transporting the Vehicle...........................424Trip Computer................................................146Trip Data..........................................................146Turbo Boost Gauge......................................138
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Under Hood Fuse Box...............................430Accessing the Under Hood Fuse Box........430Identifying the Fuses in the Under HoodFuse Box............................................................431Locating the Under Hood Fuse Box...........430Under Hood Overview - 6.7L Diesel......441
Under Hood Overview - 6.8L,Gasoline.......................................................442Under Hood Overview - 7.3L,Gasoline.......................................................443Under Seat Storage.....................................198Locating the Under Seat StorageCompartment.................................................198USB Ports........................................................183USB Ports Videos.........................................184Using Alexa Built-In.....................................567Using a Slide-In Camper...........................352Using Auto Hold...........................................266Using Digital Key..............................................71Using Keyless Entry.......................................85Using Onboard Scales...............................384Using Progressive RangeSelection......................................................236Using Smart Hitch.......................................382Using Snow Chains.....................................487Using the Center Console WorkSurface..........................................................193Using the Diesel Engine ExhaustBrake.............................................................256Using the Instrument Cluster DisplayControls.........................................................143Using the Integrated Trailer BrakeController......................................................372Using the Key Cards......................................69Using the Keyless Entry Keypad...............88Using the Remote Control..........................69Using the Trailer Backup AssistanceController.....................................................392Using the Trailer Backup AssistanceViews.............................................................393Using This Publication..................................22Using Trailer Hitching Assistance..........379Using Trailer Reverse GuidanceViews............................................................405
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Vehicle Care..................................................469Cleaning the Exterior........................................470Cleaning the Interior..........................................472Vehicle Care Videos....................................475Vehicle Identification Number................547Locating the Vehicle IdentificationNumber.............................................................547
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