2003 Ford Focus Owners Manual

Maintenance and Specifications
Running out of fuel
Avoidrunningoutoffuelbecausethissituationmayhaveanadverse
affectonpowertraincomponents.
Ifyouhaverunoutoffuel:
YoumayneedtocycletheignitionfromOFFtoONseveraltimesafter
refueling,toallowthefuelsystemtopumpthefuelfromthetankto
theengine.
The
indicatormaycomeon.FormoreinformationontheCheck
Engineindicator,refertotheInstrumentClusterchapter.
Fuel Filter
Forfuelfilterreplacement,seeyourdealeroraqualifiedservice
technician.Refertothescheduledmaintenanceguidefortheappropriate
intervalsforchangingthefuelfilter.
ReplacethefuelfilterwithanauthorizedMotorcraftpart.The
customerwarrantymaybevoidforanydamagetothefuelsystem
ifanauthorizedMotorcraftfuelfilterisnotused.
ESSENTIALS OF GOOD FUEL  ECONOMY
Measuring techniques
Yourbestsourceofinformationaboutactualfueleconomyisyou,the
driver.Youmustgatherinformationasaccuratelyandconsistentlyas
possible.Fuelexpense,frequencyoffill-upsorfuelgaugereadingsare
NOTaccurateasameasureoffueleconomy.Wedonotrecommend
takingfueleconomymeasurementsduringthefirst1,600km(1,000
miles)ofdriving(enginebreak-inperiod).Youwillgetamoreaccurate
measurementafter3,000km5,000km(2,000miles-3,000miles).
Filling the tank
Theadvertisedfuelcapacityofthefueltankonyourvehicleisequalto
theratedrefillcapacityofthefueltankaslistedintheRefillcapacities
sectionofthischapter.
Theadvertisedcapacityistheamountoftheindicatedcapacityandthe
emptyreservecombined.Indicatedcapacityisthedifferenceinthe
amountoffuelinafulltankandatankwhenthefuelgaugeindicates
empty.Emptyreserveisthesmallamountoffuelremaininginthefuel
tankafterthefuelgaugeindicatesempty.
Theamountofusablefuelintheemptyreservevariesandshould
notbereliedupontoincreasedrivingrange.Whenrefuelingyour
182
Product Specification
CategoriesFord Focus Manuals, Ford Manuals
Model Year2003
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