Maintenance and Specifications
PleaseconsultyourWarrantyGuideforcompleteemissionwarranty
information.
On board diagnostics (OBD-II)
Yourvehicleisequippedwithacomputerthatmonitorstheengine’s
emissioncontrolsystem.ThissystemiscommonlyknownastheOn
BoardDiagnosticsSystem(OBD-II).ThisOBD-IIsystemprotectsthe
environmentbyensuringthatyourvehiclecontinuestomeet
governmentemissionstandards.TheOBD-IIsystemalsoassiststhe
servicetechnicianinproperlyservicingyourvehicle.WhentheCheck
engine/Serviceenginesoonlightilluminates,theOBD-IIsystemhas
detectedamalfunction.TemporarymalfunctionsmaycauseyourCheck
engine/Serviceenginesoonlighttoilluminate.Examplesare:
1.
2.
3.
Thevehiclehasrunoutoffuel.(Theenginemaymisfireorrunpoorly.)
Poorfuelqualityorwaterinthefuel.
Thefuelcapmaynothavebeensecurelytightened.
Thesetemporarymalfunctionscanbecorrectedbyfillingthefueltank
withgoodqualityfueland/orproperlytighteningthefuelcap.Afterthree
drivingcycleswithouttheseoranyothertemporarymalfunctions
present,theCheckengine/Serviceenginesoonlightshouldturnoff.(A
drivingcycleconsistsofacoldenginestartupfollowedbymixed
city/highwaydriving.)Noadditionalvehicleserviceisrequired.
IftheCheckengine/Serviceenginesoonlightremainson,haveyour
vehicleservicedatthefirstavailableopportunity.
Readiness for Inspection/Maintenance (I/M) testing
Insomelocalities,itmaybealegalrequirementtopassanI/Mtestof
theon-boarddiagnosticssystem.IfyourCheckengine/Serviceengine
soonlightison,refertothedescriptionintheWarninglightsand
chimessectionoftheInstrumentClusterchapter.Yourvehiclemaynot
passtheI/MtestwiththeCheckengine/Serviceenginesoonlighton.
Ifthevehicle’spowertrainsystemoritsbatteryhasjustbeenserviced,
theon-boarddiagnosticssystemisresettoa“notreadyforI/Mtest”
condition.Toreadytheon-boarddiagnosticssystemforI/Mtesting,a
minimumof30minutesofcityandhighwaydrivingisnecessaryas
describedbelow:
•
•
First,atleast10minutesofdrivingonanexpresswayorhighway.
Next,atleast20minutesdrivinginstop-and-go,city-typetrafficwith
atleastfouridleperiods.
Allowthevehicletositforatleasteighthourswithoutstartingthe
engine.Then,starttheengineandcompletetheabovedrivingcycle.The
272
2005
F250/350/450/550(f23)
OwnersGuide(post-2002-fmt)
USA_English(fus)
| Categories | Ford F-150 F-250 F-350 F-450 F-550 Manuals, Ford Manuals |
|---|---|
| Tags | Ford F-250, Ford F-350, Ford F-450, Ford F-550 |
| Model Year | 2005 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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