Impacting Fuel Economy
•Incorrect tire inflation pressures.
•Fully loading your vehicle.
•Carrying unnecessary weight.
•Adding certain accessories to yourvehicle such as bug deflectors, rollbarsor light bars, running boards and skiracks.
•Using fuel blended with alcohol. SeeFuel Quality (page 77).
•Fuel economy may decrease with lowertemperatures.
•Fuel economy may decrease whendriving short distances.
•You may get better fuel economy whendriving on flat terrain than when drivingon hilly terrain.
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•Incorrect fuel for climatic conditions.
•Incorrect engine oil viscosity forclimactic conditions.
Note:Some vehicles have a lifetime fuelfilter that is integrated with the fuel tank.Regular maintenance or replacement is notneeded.
Note:If these checks do not help youcorrect the concern, have your vehiclechecked as soon as possible.
Noise Emissions Warranty,Prohibited Tampering Acts andMaintenance
On January 1, 1978, Federal regulationbecame effective governing the noiseemission on trucks over 10,000 lb(4,536 kg) Gross Vehicle Weight Rating(GVWR). The preceding statementsconcerning prohibited tampering acts andmaintenance, and the noise warrantyfound in the Warranty Guide, areapplicable to complete chassis cabs over10,000 lb (4,536 kg) GVWR.
CATALYTIC CONVERTER
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.
Your vehicle has various emission controlcomponents and a catalytic converter thatenables it to comply with applicableexhaust emission standards.
To make sure that the catalytic converterand other emission control componentscontinue to work properly:
•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 121).
•Use only the specified fuel listed.
•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:Resulting component damage maynot be covered by the vehicle Warranty.
The scheduled maintenance items listedin scheduled maintenance information areessential to the life and performance ofyour vehicle and to its emissions system.
If you use anything other than Ford,Motorcraft or Ford-authorized parts formaintenance replacements or for serviceof components affecting emission control,such non-Ford parts should be equivalentto genuine Ford Motor Company parts inperformance and durability.
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LOAD LIMIT
Vehicle Loading - with andwithout a Trailer
This section guides you in theproper loading of your vehicle,trailer, or both. Keep your loadedvehicle weight within its designrating capability, with or withouta trailer. Properly loading yourvehicle provides maximum returnof vehicle design performance.Before you load your vehicle,become familiar with thefollowing terms for determiningyour vehicle’s weight rating, withor without a trailer, from thevehicle’s Tire and LoadingInformation label or SafetyCompliance Certification label.
Tire and Loading Label InformationExample:
Payload
Payload is the combined weightof cargo and passengers that yourvehicle is carrying. The maximumpayload for your vehicle appearson the Tire and Loading label. Thelabel is either on the B-pillar or theedge of the driver door. Vehiclesexported outside the US andCanada may not have a tire andloading label. Look for “Thecombined weight of occupantsand cargo should never exceedXXX kg OR XXX lb” for maximumpayload. The payload listed on theTire and Loading Information label
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Load CarryingE198719
is the maximum payload for yourvehicle as built by the assemblyplant. If you install any additionalequipment on your vehicle, youmust determine the new payload.Subtract the weight of theequipment from the payload listedon the Tire and Loading label.When towing, trailer tongueweight or king pin weight is alsopart of payload.
WARNING: Theappropriate loading capacity ofyour vehicle can be limited eitherby volume capacity (how muchspace is available) or by payloadcapacity (how much weight thevehicle should carry). Once youhave reached the maximumpayload of your vehicle, do notadd more cargo, even if there isspace available. Overloading orimproperly loading your vehiclecan contribute to loss of vehiclecontrol and vehicle rollover.
GAWR (Gross Axle WeightRating)
GAWR is the maximum allowableweight that a single axle (front orrear) can carry. These numbersare on the Safety ComplianceCertification label. The label islocated on the door hinge pillar,door-latch post, or the door edgethat meets the door-latch post,next to the driver seating position.
The total load on each axle mustnever exceed its Gross AxleWeight Rating.
GVWR (Gross Vehicle WeightRating)
GVWR is the maximum allowableweight of the fully loaded vehicle.This includes all options,equipment, passengers and cargo.It appears on the SafetyCompliance Certification label.The label is located on the doorhinge pillar, door-latch post, or thedoor edge that meets thedoor-latch post, next to the driverseating position.
The gross vehicle weight mustnever exceed the Gross VehicleWeight Rating.
Safety Compliance Certification LabelExample:
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WARNING: Exceeding theSafety Compliance Certificationlabel vehicle weight limits canadversely affect theperformance and handling ofyour vehicle, cause vehicledamage and can result in theloss of control of your vehicle,serious personal injury or death.
Maximum Loaded TrailerWeight
Maximum loaded trailer weight isthe highest possible weight of afully loaded trailer the vehicle cantow. Consult an authorized dealer(or the RV and Trailer TowingGuide available at an authorizeddealer) for more detailed
information.
GCWR (Gross CombinedWeight Rating)
GCWR is the maximum allowableweight of the vehicle and theloaded trailer, including all cargoand passengers, that the vehiclecan handle without riskingdamage. (Important: The towingvehicle’s braking system is ratedfor operation at Gross Vehicle
Weight Rating, not at GrossCombined Weight Rating.)Separate functional brakes shouldbe used for safe control of towedvehicles and for trailers where theGross Combined Weight of thetowing vehicle plus the trailerexceed the Gross Vehicle WeightRating of the towing vehicle.
The gross combined weight mustnever exceed the Gross CombinedWeight Rating.
Note: For trailer towinginformation refer to the RV andTrailer Towing Guide available atan authorized dealer.
WARNING: Do not exceedthe GVWR or the GAWRspecified on the certificationlabel.
WARNING: Do not usereplacement tires with lowerload carrying capacities than theoriginal tires because they maylower your vehicle's GVWR andGAWR limitations. Replacementtires with a higher limit than the
original tires do not increase theGVWR and GAWR limitations.
WARNING: Exceeding anyvehicle weight rating canadversely affect theperformance and handling ofyour vehicle, cause vehicledamage and can result in theloss of control of your vehicle,serious personal injury or death.
Steps for determining thecorrect load limit:
1. Locate the statement "Thecombined weight of occupantsand cargo should never exceedXXX kg or XXX lb." on yourvehicle’s placard.
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2.Determine the combinedweight of the driver andpassengers that will be ridingin your vehicle.
3.Subtract the combined weightof the driver and passengersfrom XXX kg or XXX lb.
4.The resulting figure equals theavailable amount of cargo andluggage load capacity. Forexample, if the “XXX” amountequals 1,400 lb. and there willbe five 150 lb. passengers inyour vehicle, the amount ofavailable cargo and luggageload capacity is 650 lb.(1400-750 (5 x 150) = 650 lb.)
5.Determine the combinedweight of luggage and cargobeing loaded on the vehicle.That weight may not safelyexceed the available cargo andluggage load capacitycalculated in Step 4.
6.If your vehicle will be towing atrailer, load from your trailerwill be transferred to yourvehicle. Consult this manual todetermine how this reduces theavailable cargo and luggageload capacity of your vehicle.
Helpful examples for calculatingthe available amount of cargoand luggage load capacity
Suppose your vehicle has a1400-pound (635-kilogram) cargoand luggage capacity. You decideto go golfing. Is there enough loadcapacity to carry you, four of yourfriends and all the golf bags? Youand four friends average 220pounds (99 kilograms) each andthe golf bags weigh approximately30 pounds (13.5 kilograms) each.The calculation would be: 1400 -(5 x 220) - (5 x 30) = 1400 - 1100- 150 = 150 pounds. Yes, you haveenough load capacity in yourvehicle to transport four friendsand your golf bags. In metric units,the calculation would be: 635kilograms - (5 x 99 kilograms) -(5 x 13.5 kilograms) = 635 - 495 -67.5 = 72.5 kilograms.
Suppose your vehicle has a1400-pound (635-kilogram) cargoand luggage capacity. You andone of your friends decide to pickup cement from the local homeimprovement store to finish thatpatio you have been planning forthe past two years. Measuring theinside of the vehicle with the rearseat folded down, you have roomfor twelve 100-pound(45-kilogram) bags of cement. Doyou have enough load capacity totransport the cement to yourhome? If you and your friend eachweigh 220 pounds (99 kilograms),
the calculation would be: 1400 -(2 x 220) - (12 x 100) = 1400 - 440
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- 1200 = - 240 pounds. No, you donot have enough cargo capacityto carry that much weight. Inmetric units, the calculation wouldbe: 635 kilograms - (2 x 99kilograms) - (12 x 45 kilograms) =635 - 198 - 540 = -103 kilograms.You will need to reduce the loadweight by at least 240 pounds(104 kilograms). If you removethree 100-pound (45-kilogram)cement bags, then the loadcalculation would be:1400 - (2 x220) - (9 x 100) = 1400 - 440 -900 = 60 pounds. Now you havethe load capacity to transport thecement and your friend home. Inmetric units, the calculation wouldbe: 635 kilograms - (2 x 99kilograms) - (9 x 45 kilograms) =635 - 198 - 405 = 32 kilograms.
The above calculations alsoassume that the loads arepositioned in your vehicle in amanner that does not overloadthe front or the rear gross axleweight rating specified for yourvehicle on the Safety ComplianceCertification label.
Special Loading Instructionsfor Owners of Pick-up Trucksand Utility-type Vehicles
WARNING: When loadingthe roof racks, we recommendyou evenly distribute the load,as well as maintain a low centerof gravity. Loaded vehicles, with
higher centers of gravity, may
handle differently than unloadedvehicles. Take extra precautions,such as slower speeds andincreased stopping distance,when driving a heavily loadedvehicle.
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TOWING A TRAILER
WARNING: Do not exceedthe GVWR or the GAWRspecified on the certificationlabel.
WARNING: Towing trailersbeyond the maximumrecommended gross trailerweight exceeds the limit of yourvehicle and could result in enginedamage, transmission damage,structural damage, loss ofvehicle control, vehicle rolloverand personal injury.
Your vehicle may have electricalitems, for example fuses or relays,related to towing. See Fuses(page 131).
Your vehicle's load capacitydesignation is by weight, not byvolume, so you cannot necessarilyuse all available space whenloading your vehicle.
Towing a trailer places an extraload on your vehicle's engine,transmission, axle, brakes, tiresand suspension. Inspect thesecomponents periodically during,and after, any towing operation.
Load Placement
To help minimize how trailermovement affects your vehiclewhen driving:
•Load the heaviest items closestto the trailer floor.
•Load the heaviest itemscentered between the left andright side trailer tires.
•Load the heaviest items abovethe trailer axles or just slightlyforward toward the trailertongue. Do not allow the finaltrailer tongue weight to goabove or below 10-15% of theloaded trailer weight.
•Select a draw bar with thecorrect rise or drop. When boththe loaded vehicle and trailerare connected, the trailer frameshould be level, or slightlyangled down toward yourvehicle, when viewed from theside.
When driving with a trailer orpayload, a slight takeoff vibrationor shudder may be present due tothe increased payload weight.Additional information regardingcorrect trailer loading and settingyour vehicle up for towing islocated in another chapter of thisOwner's Manual. See Load Limit(page 99). You can also find theinformation in the RV & TrailerTowing Guide. See an authorizeddealer.
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