engine LINCOLN MKZ 2019 Service Manual

The scheduled maintenance items listed inscheduled maintenance information areessential to the life and performance of yourvehicle and to its emissions system.
If you use anything other than Lincoln,Motorcraft or Lincoln-authorized parts formaintenance replacements or for service ofcomponents affecting emission control, suchnon-Lincoln parts should be equivalent togenuine Lincoln Motor Company parts inperformance and durability.
Illumination of the service engine soonindicator, charging system warning light orthe temperature warning light, fluid leaks,strange odors, smoke or loss of enginepower could indicate that the emissioncontrol system is not working properly.
An improperly operating or damaged exhaustsystem may allow exhaust to enter thevehicle. Have a damaged or improperlyoperating exhaust system inspected andrepaired immediately.
Do not make any unauthorized changes toyour vehicle or engine. By law, vehicleowners and anyone who manufactures,repairs, services, sells, leases, tradesvehicles, or supervises a fleet of vehicles arenot permitted to intentionally remove anemission control device or prevent it fromworking. Information about your vehicle’semission system is on the Vehicle EmissionControl Information Decal located on or nearthe engine. This decal also lists enginedisplacement.
Please consult your warranty information forcomplete details.
On-Board Diagnostics (OBD-II)
Your vehicle has a computer known as theon-board diagnostics system (OBD-II) thatmonitors the engine’s emission controlsystem. The system protects the environmentby making sure that your vehicle continuesto meet government emission standards. TheOBD-II system also assists a servicetechnician in properly servicing your vehicle.
When the service engine soonindicator illuminates, the OBD-IIsystem has detected a malfunction.Temporary malfunctions may cause theservice engine soon indicator to illuminate.Examples are:
1. Your vehicle has run out of fuel—theengine may misfire or run poorly.
2.Poor fuel quality or water in the fuel—theengine may misfire or run poorly.
3. The fuel fill inlet may not have closedproperly. See Refueling (page 169).
4. Driving through deep water—theelectrical system may be wet.
You can correct these temporarymalfunctions by filling the fuel tank with goodquality fuel, properly closing the fuel fill inletor letting the electrical system dry out. Afterthree driving cycles without these or anyother temporary malfunctions present, theservice engine soon indicator should stay offthe next time you start the engine. A drivingcycle consists of a cold engine startupfollowed by mixed city and highway driving.No additional vehicle service is required.
175
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
Engine Emission Control

If the service engine soon indicator remainson, have your vehicle serviced at the firstavailable opportunity. Although somemalfunctions detected by the OBD-II may nothave symptoms that are apparent, continueddriving with the service engine soon indicatoron can result in increased emissions, lowerfuel economy, reduced engine andtransmission smoothness and lead to morecostly repairs.
Readiness for Inspection andMaintenance (I/M) Testing
Some state and provincial and localgovernments may haveInspection/Maintenance (I/M) programs toinspect the emission control equipment onyour vehicle. Failure to pass this inspectioncould prevent you from getting a vehicleregistration.
If the service engine soon indicatoris on or the bulb does not work,your vehicle may need service.See On-Board Diagnostics.
Your vehicle may not pass the I/M test if theservice engine soon indicator is on or notworking properly (bulb is burned out), or ifthe OBD-II system has determined that someof the emission control systems have notbeen properly checked. In this case, thevehicle is not ready for I/M testing.
If the vehicle’s engine or transmission hasjust been serviced, or the battery hasrecently run down or been replaced, theOBD-II system may indicate that the vehicleis not ready for I/M testing. To determine ifthe vehicle is ready for I/M testing, turn theignition key to the on position for 15 secondswithout cranking the engine. If the serviceengine soon indicator blinks eight times, itmeans that the vehicle is not ready for I/Mtesting; if the service engine soon indicatorstays on solid, it means that your vehicle isready for I/M testing.
The OBD-II system checks the emissioncontrol system during normal driving. Acomplete check may take several days.
If the vehicle is not ready for I/M testing, youcan perform the following driving cycleconsisting of mixed city and highway driving:
1. 15 minutes of steady driving on anexpressway or highway followed by 20minutes of stop-and-go driving with atleast four 30-second idle periods.
2.Allow your vehicle to sit for at least eighthours with the ignition off. Then, start thevehicle and complete the above drivingcycle. The vehicle must warm up to itsnormal operating temperature. Oncestarted, do not turn off the vehicle untilthe above driving cycle is complete.
If the vehicle is still not ready for I/M testing,you need to repeat the above driving cycle.
176
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
Engine Emission Control

AUTOMATIC TRANSMISSION
WARNING: Always fully apply theparking brake and make sure you shift intopark (P). Failure to follow this instructioncould result in personal injury or death.
WARNING: Do not apply the brakepedal and accelerator pedal simultaneously.Applying both pedals simultaneously formore than a few seconds will limit engineperformance, which may result in difficultymaintaining speed in traffic and could leadto serious injury.
Note:You may not be able to shift out ofpark (P) unless the intelligent access key isinside your vehicle.
Push Button Shift Transmission
Your vehicle is equipped with an electronictransmission. The shift buttons are locatednear the middle of the instrument panel. Thegears are selected by pressing and releasingthe PRNDS buttons.
Every time a gear is selected, the selectedbutton will light up.
Understanding the Positions of yourElectronic Transmission
Note:Always come to a complete stopbefore putting your vehicle into and out ofpark (P).
Putting your vehicle in gear:
1. Fully press down the brake pedal.
2. Press and release the button on theinstrument panel of the gear you want toselect.
3. The gearshift button you select willilluminate and the selected gear willappear in the instrument cluster.
4. Release the brake pedal and yourtransmission will remain in the selectedgear.
177
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
TransmissionE146223

2. A message will appear in yourinformation display screen prompting youto press the neutral (N) button.
3. Press the neutral (N) button again toenter Stay in Neutral mode.
A message will appear in your informationdisplay screen when your vehicle hasentered Stay in Neutral mode.
Note:During this mode the neutral (N) buttonwill flash continuously and your instrumentcluster will display N as the selected gear.
Exiting Stay in Neutral mode
To disable Stay in Neutral mode selectanother gear. See the Putting the Vehiclein Gear for instructions on how to do this.
Entering a Carwash
Note:Always put your vehicle in Stay inNeutral mode when entering an automaticcar wash. Failure to do this could result invehicle damage not covered by warranty.
Drive (D)
The normal driving position for the best fueleconomy.
Sport (S)
Putting the vehicle in sport (S):
•Provides additional engine braking andextends lower gear operation to enhanceperformance for uphill climbs, hilly terrainor mountainous areas. This will increaseengine RPM during engine braking
•Provides additional lower gear operationthrough the automatic transmission shiftstrategy
•Provides gear selection more quickly andat higher engine speeds
SelectShift Automatic™ Transmission
Your SelectShift Automatic transmissiongives you the ability to change gearsmanually.
Paddle Shifters
With your vehicle in drive (D), the paddleshifters provide temporary manual control.They allow you the ability to shift gearsquickly, without taking your hands off thesteering wheel.
You can achieve extensive manual controlby pressing the sport (S) button.
•Pull the right paddle (+) to upshift.
•Pull the left paddle (–) to downshift.
Upshift to the recommended shift speedsaccording to the following chart:
179
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
TransmissionE144821

Upshifts when accelerating (recommended for best fuel economy)
mph (km/h)Gear Upshift
ToFrom
15 mph (24 km/h)21
25 mph (40 km/h)32
40 mph (64 km/h)43
45 mph (72 km/h)54
50 mph (80 km/h)65
The instrument cluster will display yourcurrently selected gear.
The transmission will automatically upshift ifyour engine speed is too high or downshiftif your engine speed is too low.
Note:The system will stay in manual controluntil you make another shift button selection.For example, drive (D).
Brake-Shift Interlock Override
WARNING: Do not drive your vehicleuntil you verify that the stoplamps areworking.
WARNING: When doing this procedure,you need to take the transmission out of park(P) which means your vehicle can roll freely.To avoid unwanted vehicle movement,always fully apply the parking brake prior todoing this procedure. Use wheels chocks ifappropriate.
180
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
Transmission

Automatic Transmission AdaptiveLearning
This feature increases durability and providesconsistent shift feel over the life of yourvehicle. A new vehicle or transmission mayhave firm or soft shifts. This operation willnot affect function or durability of yourtransmission and is normal. Over time, theadaptive learning process will fully updatetransmission operation. Additionally, thestrategy must be relearned whenever thebattery is disconnected or a new battery isinstalled.
If Your Vehicle Gets Stuck In Mud orSnow
Note:Do not rock your vehicle if your engineis not at normal operating temperature ordamage to your transmission may occur.
Note:Do not rock your vehicle for more thana minute or damage to your transmissionand tires may occur, or your engine mayoverheat.
Note:If your vehicle is equipped withAdvanceTrac with Roll Stability Control, itmay be beneficial to disengage theAdvanceTrac with Roll Stability Controlsystem while attempting to rock the vehicle.
If your vehicle gets stuck in mud or snow,you can help rock your vehicle out by shiftingbetween forward and reverse gears,stopping between shifts in a steady pattern.Press lightly on the accelerator in each gear.
182
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
Transmission

USING ALL-WHEEL DRIVE
All-Wheel Drive (AWD) uses all four wheelsto power the vehicle. This increases traction,enabling you to drive over terrain and roadconditions that a conventional two-wheeldrive vehicle cannot. The AWD system isactive all the time and requires no input fromthe operator.
Note:Your vehicle may be equipped withDynamic Torque Vectoring. This feature usesall four wheels to power the vehicle andindependently controls the torque to eachrear wheel. In addition, the system has theability to over speed the outside rear wheelin a turn. This increases traction andhandling performance, allowing the vehicleto travel through road conditions and havepath following capability superior toconventional two-wheel drive and AWDvehicles. The Dynamic Torque Vectoringsystem is active all the time and requires noinput from the operator.
Note:Your AWD vehicle is not intended foroff-road use. The AWD feature gives yourvehicle some limited off-road capabilities inwhich driving surfaces are relatively level,obstruction-free and otherwise similar tonormal on-road driving conditions. Operatingyour vehicle under other than thoseconditions could subject the vehicle toexcessive stress which might result indamage which is not covered under yourwarranty.
Note:When an AWD system fault is present,the warning AWD Malfunction ServiceRequired displays in the information display.The AWD system is not functioning correctlyand defaulted to front-wheel drive. Whenthis warning displays, have your vehicleserviced at an authorized dealer.
Note: The AWD OFF message may alsoappear in the information display if the AWDsystem overheats and defaults to front-wheeldrive. This may occur if the vehicle isoperated in extreme conditions withexcessive wheel slip, such as deep sand. To resume normal AWD function as soon aspossible, stop the vehicle in a safe locationand stop the engine for at least 10 minutes. After the engine has been restarted and theAWD system has adequately cooled, theAWD OFF message will turn off and normalAWD function returns. If the engine is notstopped, the AWD OFF message turns offwhen the system cools and normal AWDfunction returns.
183
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
All-Wheel Drive (If Equipped)

Operating AWD Vehicles With Spareor Mismatched Tires
WARNING: Only use replacement tiresand wheels that are the same size, loadindex, speed rating and type (such asP-metric versus LT-metric or all-seasonversus all-terrain) as those originally providedby Ford. The recommended tire and wheelsize may be found on either the SafetyCompliance Certification Label (affixed toeither the door hinge pillar, door-latch post,or the door edge that meets the door-latchpost, next to the driver’s seating position), orthe Tire Label which is located on the B-Pillaror edge of the driver’s door. If thisinformation is not found on these labels, thenyou should contact your authorized dealeras soon as possible. Use of any tire or wheelnot recommended by Ford can affect thesafety and performance of your vehicle,which could result in an increased risk of lossof vehicle control, vehicle rollover, personalinjury and death.
A spare tire of a different size other than thetire provided should never be used. TheAWD system may disable automatically andenter front-wheel drive only mode to protectdriveline components if a non-full sized tireis installed. This condition may display anAWD OFF message in the informationdisplay. If there is an AWD OFF message inthe information display from using a non-fullsized spare tire, this indicator should turn offafter reinstalling the repaired or replacednormal road tire and cycling the ignition offand on. It is recommended to reinstall therepaired or replaced road tire as soon aspossible.
Major dissimilar tire sizes between the frontand rear axles (for example, 17 inch lowprofile tires on the front axle and 22 inch highprofile tires on the rear axle) could cause theAWD system to stop functioning and defaultto front-wheel drive or damage the AWDsystem. However, the AWD system iscapable of tolerating any combination of newand worn tires of the same original tire size.For example, using 3 worn tread tires and 1new tread tire all of the same original tiresize, can be tolerated by the AWD system.
Driving In Special Conditions With All-Wheel Drive (AWD)
AWD vehicles are equipped for driving onsand, snow, mud and rough roads and haveoperating characteristics that are somewhatdifferent from conventional vehicles, both onand off the highway.
When driving at slow speeds in deep sandunder high outside temperatures, use a lowgear when possible. Lower gear operationwill maximize the engine and transmissioncooling capability.
Under severe operating conditions, the A/Cmay cycle on and off to protect overheatingof the engine.
Basic operating principles in specialconditions
•Drive slower in strong crosswinds whichcan affect the normal steeringcharacteristics of your vehicle.
•Be extremely careful when driving onpavement made slippery by loose sand,water, gravel, snow or ice.
185
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
All-Wheel Drive (If Equipped)

If Your Vehicle Goes Off the Edge of thePavement
•If your vehicle goes off the edge of thepavement, slow down, but avoid severebrake application, ease the vehicle backonto the pavement only after reducingyour speed. Do not turn the steeringwheel too sharply while returning to theroad surface.
•It may be safer to stay on the apron orshoulder of the road and slow downgradually before returning to thepavement. You may lose control if youdo not slow down or if you turn thesteering wheel too sharply or abruptly.
•It often may be less risky to strike smallobjects, such as highway reflectors, withminor damage to your vehicle rather thanattempt a sudden return to the pavementwhich could cause the vehicle to slidesideways out of control or rollover.Remember, your safety and the safety ofothers should be your primary concern.
If Your Vehicle Gets Stuck
WARNING: Always set the parkingbrake fully and make sure you shift thegearshift lever to park (P). Switch the ignitionoff and remove the key whenever you leaveyour vehicle.
WARNING: If the parking brake is fullyreleased, but the brake warning lampremains illuminated, the brakes may not beworking properly. Have your vehicle checkedas soon as possible.
WARNING: Do not spin the wheels atover 34 mph (55 km/h). The tires may fail andinjure a passenger or bystander.
Note:Do not rock the vehicle if the engineis not at normal operating temperature ordamage to the transmission may occur.
Note:Do not rock the vehicle for more thana few minutes or damage to the transmissionand tires may occur or the engine mayoverheat.
If your vehicle gets stuck in mud or snow itmay be rocked out by shifting betweenforward and reverse gears, stoppingbetween shifts, in a steady pattern. Presslightly on the accelerator in each gear.
If your vehicle is equipped withAdvanceTrac® with Roll Stability Control™, itmay be beneficial to disengage theAdvanceTrac® with Roll Stability Control™system while attempting to rock the vehicle.
Emergency Maneuvers
•In an unavoidable emergency situationwhere a sudden sharp turn must bemade, remember to avoid "over-driving"your vehicle (that is, turn the steeringwheel only as rapidly and as far asrequired to avoid the emergency).Excessive steering will result in lessvehicle control, not more. Additionally,smooth variations of the acceleratorand/or brake pedal pressure should beutilized if changes in vehicle speed arecalled for. Avoid abrupt steering,
186
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
All-Wheel Drive (If Equipped)

acceleration or braking which could resultin an increased risk of loss of vehiclecontrol, vehicle rollover and/or personalinjury. Use all available road surface toreturn the vehicle to a safe direction oftravel.
•In the event of an emergency stop, avoidskidding the tires and do not attempt anysharp steering wheel movements.
•If the vehicle goes from one type ofsurface to another (that is, from concreteto gravel) there will be a change in theway the vehicle responds to a maneuver(steering, acceleration or braking). Again,avoid these abrupt inputs.
Sand
Most of the time traction control improvestire traction by managing wheel slip throughBrake, Engine, and AWD calibrations.However, during low speed driving, disablingtraction control in deep sand can help keepthe wheels moving to maintain vehiclemomentum.
When driving over sand, try to keep all fourwheels on the most solid area of the trail.Avoid reducing the tire pressures but shiftto a lower gear and drive steadily throughthe terrain. Apply the accelerator slowly andavoid spinning the wheels.
Do not drive your vehicle in deep sand foran extended period of time. This could causethe AWD system to overheat and default tofront-wheel drive. If this occurs, an AWD OFFmessage displays in the information display.To resume normal AWD function as soon aspossible, stop the vehicle in a safe locationand stop the engine for at least 10 minutes.After the engine has been restarted and theAWD system has adequately cooled, theAWD OFF message turns off and normalAWD function returns. In the event theengine is not stopped, the AWD OFFmessage turns off when the system coolsand normal AWD function returns.
When driving at slow speeds in deep sandunder high outside temperatures, use L (Low)gear when possible. L (Low) gear operationwill maximize the engine and transmissioncooling capability.
Under severe operating conditions, the A/Cmay cycle on and off to protect overheatingof the engine.
Avoid excessive speed because vehiclemomentum can work against you and causethe vehicle to become stuck to the point thatassistance may be required from anothervehicle. Remember, you may be able to backout the way you came if you proceed withcaution.
Mud and Water
If you must drive through high water, driveslowly. Traction or brake capability may belimited.
When driving through water, determine thedepth; avoid water higher than the bottomof the wheel rims (for cars) or the bottom ofthe hubs (for trucks) (if possible) and proceedslowly. If the ignition system gets wet, thevehicle may stall.
187
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201805, First-Printing
All-Wheel Drive (If Equipped)