
STARTING AND STOPPING
THE ENGINE –
TROUBLESHOOTING
STARTING AND STOPPING THEENGINE – WARNING LAMPS
Malfunction Indicator Lamp
If it illuminates when the engineis running, the on-boarddiagnostics system is detectinga malfunction of the vehicle emissioncontrol system.
If it flashes, engine misfire could beoccurring. Increased exhaust gastemperatures could damage the catalyticconverter or other vehicle components.Avoid heavy acceleration and deceleration,and have your vehicle checked as soon aspossible.
Powertrain Warning Lamp
If it illuminates when the engineis running, this indicates apowertrain or four-wheel drivefault. If it flashes when you are driving,immediately reduce the vehicle speed.Avoid heavy acceleration and deceleration,and have your vehicle checked as soon aspossible.
If both lamps illuminate when the engineis running, stop your vehicle as soon as itis safe to do so. Continuing to drive yourvehicle could cause reduced power or theengine to stop. Switch the ignition off andattempt to restart the engine. Have yourvehicle checked as soon as possible.
STARTING AND STOPPING THE ENGINE – INFORMATION MESSAGES
ActionMessage
Displays if you exceed the starting time limit. You cannotattempt to start the engine for 15 minutes. If you cannot startthe engine after 15 minutes passes, have your vehicle imme-diately checked.
Cranking Time Exceeded
Displays if you are unable to start your vehicle with a correctlycoded key. The system has detected a fault that requiresservice. Have your vehicle checked as soon as possible.
Starting System Fault
Displays if the system does not detect a valid passive key.No Key Detected
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WHAT IS AUTO-START-STOP
The system is designed to help reduce fuelconsumption and CO2 emissions bystopping the engine when it is idling, forexample at traffic lights.
AUTO-START-STOP
PRECAUTIONS
WARNING: Apply the parkingbrake, shift into park (P), switch theignition off and remove the key beforeyou leave your vehicle. Failure to followthis instruction could result in personalinjury or death.
WARNING: Apply the parkingbrake, shift into park (P), switch theignition off and remove the key beforeyou open the hood or have any serviceor repair work completed. If you do notswitch the ignition off, the engine couldrestart at any time. Failure to follow thisinstruction could result in personal injuryor death.
SWITCHING AUTO-START-
STOP ON AND OFF
The system turns on when you switch theignition on.
Press the button to switch thesystem off.
Note:OFF illuminates in the switch.
Note:Deactivating the system using thebutton lasts only one key cycle.
Press the button again to switch thesystem back on.
Note: The system turns off if it detects amalfunction. If the system malfunctions,have your vehicle checked as soon aspossible.
STOPPING THE ENGINE
Stop your vehicle, keep your foot on thebrake pedal and the transmission in drive(D).
RESTARTING THE ENGINE
Release the brake pedal or press theaccelerator pedal.
A message appears in the instrumentcluster display if the system requires youto take action.
AUTO-START-STOP
INDICATORS
WARNING: The system mayrequire the engine to automaticallyrestart when the auto-start-stopindicator illuminates green or flashesamber. Failure to follow this instructioncould result in personal injury.
The Auto-Start-Stop indicatorilluminates green when theengine stops. It flashes amberand a message appears when you need totake action.
The Auto-Start-Stop indicatorilluminates gray with astrikethrough when the systemis not available.
Note:You can display the reason why thesystem is not available in the informationdisplay.
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WHAT IS THE CATALYTIC
CONVERTER
The catalytic converter is part of yourvehicle's emissions system and filtersharmful pollutants from the exhaust gas.
CATALYTIC CONVERTER
PRECAUTIONS
WARNING: Do not park, idle ordrive your vehicle on dry grass or otherdry ground cover. The emission systemheats up the engine compartment andexhaust system, creating the risk of fire.
WARNING: The normal operatingtemperature of the exhaust system isvery high. Never work around or attemptto repair any part of the exhaust systemuntil it has cooled. Use special care whenworking around the catalytic converter.The catalytic converter heats up to a veryhigh temperature after only a shortperiod of engine operation and stays hotafter the engine is switched off.
WARNING: Exhaust leaks mayresult in entry of harmful and potentiallylethal fumes into the passengercompartment. If you smell exhaustfumes inside your vehicle, have yourvehicle inspected immediately. Do notdrive if you smell exhaust fumes.
To avoid damaging the catalytic converter:
•Do not crank the engine for more than10 seconds at a time.
•Do not run the engine with a spark pluglead disconnected.
•Do not push-start or tow-start yourvehicle. Use booster cables. See JumpStarting the Vehicle (page 395).
•Use the correct fuel. See Fuel andRefueling (page 205).
•Do not switch the ignition off when yourvehicle is moving.
•Avoid running out of fuel.
•Have the items listed in scheduledmaintenance information performedaccording to the specified schedule.
Note:Do not make any unauthorizedchanges to your vehicle or engine. By law,vehicle owners and anyone whomanufactures, repairs, or services a fleet ofvehicles are not permitted to intentionallyremove an emission control device orprevent it from working.
CATALYTIC CONVERTER –
TROUBLESHOOTING
CATALYTIC CONVERTER –WARNING LAMPS
Your vehicle has an on-board diagnosticssystem that monitors the emission controlsystem. If any of the following warninglamps illuminate, this may indicate thatthe on-board diagnostics system hasdetected an emission control systemmalfunction.
Continuing to drive your vehicle may causereduced power or the engine to stop.Failure to respond to a warning lamp maycause damage that your vehicle Warrantymay not cover. Have your vehicle checkedas soon as possible.
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Note:If your vehicle has anti-lock brakes,apply the brakes steadily. Do not pump thebrakes.
DRIVING ON SNOW AND ICE
Four-wheel drive vehicles have advantagesover two-wheel drive vehicles in snow andice but can skid like any other vehicle.Should you start to slide while driving onsnowy or icy roads, turn the steering wheelin the direction of the slide until you regaincontrol.
Avoid sudden applications of power andquick changes of direction on snow andice. Apply the accelerator slowly andsteadily when starting from a full stop.Avoid sudden braking. Although afour-wheel drive vehicle can acceleratebetter than a two-wheel drive vehicle insnow and ice, it cannot stop any faster asbraking occurs at all four wheels. Do notbecome overconfident as to roadconditions.
Make sure you allow sufficient distancebetween you and other vehicles forstopping. Drive slower than usual andconsider using one of the lower gears. Inemergency stopping situations, apply thebrake steadily. Do not pump the brakepedal. See Anti-Lock Braking SystemLimitations (page 229).
Note:Excessive tire slippage can causetransmission damage.
FOUR-WHEEL DRIVE –
TROUBLESHOOTING
FOUR-WHEEL DRIVE – WARNINGLAMPS
Illuminates when a four-wheeldrive or power train fault ispresent.
Note:When a system fault is present, thesystem can typically remain in whichevermode was selected prior to the faultcondition occurring. It does not default totwo-wheel drive in all circumstances. Whenthis warning is displayed, have your vehicleserviced by an authorized dealer.
FOUR-WHEEL DRIVE – INFORMATION MESSAGES
ActionMessage
A four-wheel drive system fault is present.Have your vehicle checked as soon aspossible.
Check 4x4
The four-wheel drive system is making ashift.4x4 Shift in Progress
Displays when you attempt to switch tofour-wheel drive low mode and you do notshift the transmission to neutral (N) first.
For 4x4 LOW Shift to N
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WHAT IS THE ELECTRONIC
LIMITED-SLIP DIFFERENTIAL
The electronic limited-slip differentialsystem directs torque across the axle,enabling the vehicle to drive over terrainand road conditions that a conventionalaxle cannot. The system is active at alltimes and requires no input from the driver.
Note:If your vehicle is not at optimaloperating conditions or a system fault ispresent, a warning may display in theinstrument cluster. Depending on thewarning, you may need to service yourvehicle.
Operating the Electronic Limited-SlipDifferential with a Spare orMismatched Tires
If your vehicle has an electronic limited-slipdifferential, do not use a spare tire of adifferent size than the tire provided. If youhave a spare tire installed, a message mayappear indicating the system has disabledautomatically or reduced function toprevent system overheat and damage. Werecommend you reinstall the repaired orreplaced spare tire as soon as possible.When you replace the spare tire, thesystem resumes normal operation on thenext key cycle.
Trailer Towing
The electronic limited-slip differentialenhances vehicle stability during trailer towoperation. During high demand traileringevents, such as steep slopes, high speedsor with a spare tire, the system may providea warning in the instrument cluster andreduce function or enter a temporarilydisabled state. To resume normal function,stop the vehicle in a safe location andallow the unit to adequately cool. Oncethe system reaches normal operatingtemperatures, system function restoresand the electronic limited-slip differentialrestored message displays.
ELECTRONIC LIMITED-SLIP
DIFFERENTIAL INDICATORS
The locker mode mayautomatically disengage basedon certain conditions such asvehicle speed. When engaged, a telltale inthe instrument cluster illuminates amber.When you exceed the speed the telltaleturns gray, the locker disengages and staysin standby mode until you meet the speedconditions. If the system faults and thelocker cannot engage, a warning messagedisplays in the instrument cluster.
Automatic Re-engagementSpeedMaximum EngagementSpeedDrive Mode
35 mph (57 km/h)40 mph (65 km/h)Normal
20 mph (32 km/h)25 mph (40 km/h)Slippery
35 mph (57 km/h)40 mph (65 km/h)Eco
57 mph (92 km/h)62 mph (100 km/h)Mud/Ruts
57 mph (92 km/h)62 mph (100 km/h)Sand
35 mph (57 km/h)40 mph (65 km/h)Sport
35 mph (57 km/h)40 mph (65 km/h)Tow/Haul
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ELECTRONIC LIMITED-SLIP DIFFERENTIAL –
TROUBLESHOOTING
ELECTRONIC LIMITED-SLIP DIFFERENTIAL – INFORMATION MESSAGES
Description and ActionMessage
Displays when the system requires service. Have your vehiclechecked as soon as possible.Check Electronic LimitedSlip Differential
Displays when the system requires service. Have your vehiclechecked as soon as possible.Electronic Limited SlipDifferential Off SeeOwner's Manual
Displays when the electronic limited slip differential systemresumes normal function.Electronic Limited SlipDifferential Restored toNormal
Displays if the electronic limited slip differential systemtemporarily turns off due to overheating or an undersizedspare tire. If you have an undersized spare tire installed,replace the spare tire with a full-sized tire as soon as possible.If not, stop the vehicle in a safe location and allow the systemto cool.
Electronic Limited SlipDifferential TemporarilyDisabled
Displays if the electronic limited slip differential has limitedfunctionality. This could be due to an undersized spare tireor caused by the system overheating. If you have an under-sized spare tire installed, replace the spare tire with a full-sized tire as soon as possible. If you do not have an under-sized spare tire installed, the vehicle has reduced function-ality. Have your vehicle checked as soon as possible.
Electronic Limited SlipDifferential ReducedTorque
Displays when you select a drive mode that does not allowthe electronic limited slip differential to turn on. This mayalso display when the electronic limited slip differential hasa fault and the vehicle requests the locking feature.
Electronic Limited SlipDifferential LockingFeature Not Available
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AUTOMATICALLY RELEASING
THE ELECTRIC PARKING
BRAKE
1.Close the driver door.
2.Shift into gear.
3.Press the accelerator pedal and pullaway in a normal manner.
ELECTRIC PARKING BRAKE
AUDIBLE WARNING
Sounds when the parking brake is on andyour vehicle is moving. If the warning tonecontinues after you have released theparking brake, this indicates a malfunction.Have your vehicle checked as soon aspossible.
RELEASING THE ELECTRIC
PARKING BRAKE IF THE
VEHICLE BATTERY HAS RUN
OUT OF CHARGE
WARNING: The electric parkingbrake does not operate if the vehiclebattery has run out of charge.
Connect a booster battery to the vehiclebattery to release the electric parking brakeif the vehicle battery has run out of charge.See Jump Starting the Vehicle (page395).
ELECTRIC PARKING BRAKE –
TROUBLESHOOTING
ELECTRIC PARKING BRAKE –WARNING LAMPS
Brake System
It illuminates red when you applythe parking brake and yourvehicle is on. If the lamp flasheswhen the parking brake has beenreleased, this indicates theparking brake system requiresservice. Have your vehicle checked assoon as possible.
Note:Lamps may vary depending on region.
Electric Parking Brake
When the lamp illuminatesyellow, it indicates a malfunctionin the electric parking brake.Have your vehicle checked as soon aspossible.
Note:Lamps may vary depending on region.
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2023 Expedition (TB8) Canada/United States of America, enUSA, Edition date: 202207, DOMElectric Parking BrakeE270480 E67024 E67024 E146190

ELECTRIC PARKING BRAKE – INFORMATION MESSAGES
ActionMessage
The electric parking brake is set and a manual releaseis attempted without the brake pedal being pressed.To Release: Press Brake andSwitch
The electric parking brake is set and an automaticrelease is attempted but cannot be performed.Perform a manual release.
Park Brake Use Switch toRelease
The electric parking brake is set and your vehicle speedexceeds 3 mph (5 km/h). Release the electric parkingbrake before continuing to drive.
Release Park Brake
The electric parking brake is not fully applied.Park Brake Not Applied
The electric parking brake is not fully released.Park Brake Not Released
The electric parking brake system has been put into aspecial mode to allow brake service. Have the systemchecked as soon as possible.
Brake maintenance mode
The electric parking brake system has detected acondition that requires service. Some functionalitymay still be available. Have the system checked assoon as possible.
Park Brake Limited FunctionService Required
The electric parking brake system has detected acondition that requires service. Have the systemchecked as soon as possible.
Park Brake Malfunction ServiceNow
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