2003 Ford Focus Owners Manual

Maintenance and Specifications
IfotherthanFord,MotorcraftorFord-authorizedpartsareusedfor
maintenancereplacementsorforserviceofcomponentsaffecting
emissioncontrol,suchnon-Fordpartsshouldbeequivalenttogenuine
FordMotorCompanypartsinperformanceanddurability.
Donotpark,idle,ordriveyourvehicleindrygrassorotherdry
groundcover.Theemissionsystemheatsuptheengine
compartmentandexhaustsystem,whichcanstartafire.
Illuminationofthe
indicator,chargingsystemwarninglightorthe
temperaturewarninglight,fluidleaks,strangeodors,smokeorlossof
enginepower,couldindicatethattheemissioncontrolsystemisnot
workingproperly.
Exhaustleaksmayresultinentryofharmfulandpotentially
lethalfumesintothepassengercompartment.
Donotmakeanyunauthorizedchangestoyourvehicleorengine.By
law,vehicleownersandanyonewhomanufactures,repairs,services,
sells,leases,tradesvehicles,orsupervisesafleetofvehiclesarenot
permittedtointentionallyremoveanemissioncontroldeviceorprevent
itfromworking.Informationaboutyourvehiclesemissionsystemison
theVehicleEmissionControlInformationDecallocatedonornearthe
engine.Thisdecalidentifiesenginedisplacementandgivessometuneup
specifications.
PleaseconsultyourWarrantyGuideforcompleteemissionwarranty
information.
On board diagnostics (OBD-II)
Yourvehicleisequippedwithacomputerthatmonitorstheengines
emissioncontrolsystem.ThissystemiscommonlyknownastheOn
BoardDiagnosticsSystem(OBD-II).ThisOBD-IIsystemprotectsthe
environmentbyensuringthatyourvehiclecontinuestomeet
governmentemissionstandards.TheOBD-IIsystemalsoassiststhe
servicetechnicianinproperlyservicingyourvehicle.WhentheCheck
Engine/ServiceEngineSoonlightilluminates,theOBD-IIsystemhas
detectedamalfunction.TemporarymalfunctionsmaycauseyourCheck
Engine/ServiceEngineSoonlighttoilluminate.Examplesare:
1.
Thevehiclehasrunoutoffuel.(Theenginemaymisfireorrun
poorly.)
2.
Poorfuelqualityorwaterinthefuel.
186
Product Specification
CategoriesFord Focus Manuals, Ford Manuals
Model Year2003
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