fuel PORSCHE BOXSTER 2007 2.G Owner's Guide

Fuel
Generalinformation
Warning!
Fuelishighlyammableandharmfultohealth.
Fire,openflameandsmokingareprohibitedwhenhandlingfuel.
Avoidcontactwithskinorclothing.
Donotinhalefuelvapors.
Warning!
Topreventdamagetotheemissioncontrolsystemandengine:
Neverdrivethetankcompletelyoutoffuel.
Avoidhighcorneringspeedsafterthewarninglightshavecomeon.
Pleaseobservethechapter”FUELECONOMY”onpage219.
Pleaseobservethechapter”EMISSIONCONTROLSYSTEM”onpage225.
Pleaseobservethechapter”FUEL”onpage221.
Checkenginewarninglight
Ifthewarninglightsintheinstrumentpanelandon-boardcomputercomeonandremainonwhiledriving,itsuggests:
–animproperlyfastenedtankcapor
–refuelingwithenginerunning.
Openingthellerap
Thefilleropeningisunderthefillerflapinthefrontrightfender.
Withthevehicleunlocked,pressonthefrontpartofthefillerflap(arrow)toopentheflap.
Thefillerflapiscentrallylockedalongwiththeotherlocks.
Maintenance,CarCare221

Ifthereisadefectintheautomaticunlocking
system:
Openthepassengerdoor.
Pulltheringintheright-handdooraperture(arrow).
Refueling
Fueltankcapacity
Thefuelfillingcapacityisapprox.16.9U.S.gallons(64liters),ofwhichapprox.2.64U.S.gallons(10liters)isreserve.
Porschedoesnotrecommendtheuseoffueladditives.
Fuelishighlyammableandharmfultohealth.
Procedure
1.Important:Stoptheengineandswitchofftheignition.
2.Slowlyunscrewthetankcap.Hangthetankcapontheplasticstrapofthefillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneckwiththehandleofthefuel-hosenozzlefacingdown.
4.Donotaddfurtherfueloncethecorrectlyoperatedautomaticfuel-hosenozzlehasswitchedoff.Fuelcouldsprayorcouldrunoverinwarmtemperatures.
5.Replacethetankcapimmediatelyafterrefuelingandturnituntilyouhearitandfeelitengage.
Ifyoulosethetankcap,youmustreplaceitonlywithanoriginalparttoreducethepossibilityofareintheeventofacollision.
Note
Theoillevelisautomaticallymeasuredduringrefueling.
Pleaseobservethechapter”OILDISPLAYANDMEASUREMENTOFTHEENGINEOILLEVEL”onpage128.
222Maintenance,CarCare

Portablefuelcontainers
Danger!
Portablefuelcontainers,fullorpartiallyempty,mayleakcausinganexplosion,orresultinreincaseofanaccident.
Nevercarryadditionalfuelinportablecontain-ersinyourvehicle.
Maintenance,CarCare223

FuelRecommendations
YourPorscheisequippedwithcatalyticconvertersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumperformanceandfueleconomyusingunleadedpremiumfuelwithanoctaneratingof98RON(93CLCorAKI).Porschethereforerecommendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmaynotalwaysbeavailable.Beassuredthatyourvehiclewilloperateproperlyonunleadedpremiumfuelswithoctanenumbersofatleast95RON(90CLCorAKI),sincetheengine’s”ElectronicOctane™knockcontrol“willadapttheignitiontiming,ifnecessary.
TheuseofUNLEADEDFUELONLYiscriticallyimportanttothelifeofthecatalyticconvert-ers.Depositsfromleadedfuelswillruintheconvertersandmakeitineffectiveasanemis-sioncontroldevice.
Carswithcatalyticconvertershaveasmallerfueltankopening,andgasstationpumpshavesmallernozzles.Thiswillpreventaccidentalpumpingofleadedfuelintocarswithcatalyticconverters.
UnleadedfuelsmaynotbeavailableoutsidethecontinentalU.S.andCanada.Therefore,werecommendyoudonottakeyourcartoareasorcountrieswhereunleadedfuelmaynotbeavailable.
Octaneratings
Octaneratingindicatesafuel’sabilitytoresistdetonation.Therefore,buyingthecorrectoctanegasisimportanttopreventengine”damage“.
TheRONoctaneratingisbasedontheresearchmethod.TheCLC(U.S.CostofLivingCounciloctanerating)orAKI(antiknockindex)octaneratingusuallydisplayedonU.S.fuelpumpsiscalculatedasresearchoctanenumberplusmotoroctanenumber,dividedby2,thatiswrittenas:
RON+MONR+M
2or2
TheCLCorAKIoctaneratingisusuallylowerthantheRONrating:
Forexample:95RONequals90CLCorAKI.
Fuelscontainingalcoholandether
SomeareasoftheU.S.requireoxygenatedfuelsduringcertainportionsoftheyear.Oxygenatedfuelsarefuelswhichcontainalcohols(suchasmethanolorethanol)orether(suchasMTBE).
Undernormalconditions,theamountofthesecompoundsinthefuelwillnotaffectdriveability.
YoumayuseoxygenatedfuelsinyourPorsche,providedtheoctanerequirementsforyourvehiclearemet.Werecommend,however,tochangetoadifferentfuelorstationifanyofthefollowingproblemsoccurwithyourvehicle:
–Deteriorationofdriveabilityandperformance.
–Substantiallyreducedfueleconomy.
–Vaporlockandnon-startproblems,especiallyathighaltitudeorathightemperature.
–Enginemalfunctionorstalling.
FuelscontainingMMT
SomeNorthAmericanfuelscontainanoctaneenhancingadditivecalledmethylcyclopentadienylmanganesetricarbonyl(MMT).
Ifsuchfuelsareused,youremissioncontrolsystemperformancemaybenegativelyaffected.
Thecheckenginewarninglightonyourinstrumentpanelmayturnon.Ifthisoccurs,Porscherecom-mendsyoustopusingfuelscontainingMMT.
224Maintenance,CarCare

EmissionControlSystem
Intheinterestofcleanair
Pollutionofourenvironmenthasbecomeaproblemthatisofincreasingconcerntoallofus.Weurgeyoutojoinusinoureffortsforcleanerairincontrollingthepollutantsemittedfromtheautomobile.
Porschehasdevelopedanemissioncontrolsystemthatcontrolsorreducesthosepartsoftheemissionthatcanbeharmfultoourenvironment.YourPorscheisequippedwithsuchasystem.
PorschewarrantstheEmissionControlSysteminyournewcarunderthetermsandconditionssetforthintheWarrantyBooklet.
You,astheownerofthevehicle,havetherespon-sibilitytoprovideregularmaintenanceserviceforthevehicleandtokeeparecordofallmaintenanceworkperformed.Tofacilitaterecordkeeping,havetheserviceperformedbyauthorizedPorschedeal-ers.TheyhavePorschetrainedtechniciansandspecialtoolstoprovidefastandefficientservice.
Toassureefcientoperationofthe
EmissionControlSystem
HaveyourvehiclemaintainedproperlyandinaccordancewiththerecommendationsdescribedinyourMaintenanceBooklet.Lackofpropermaintenance,aswellasimproperuseofthevehicle,willimpairthefunctionoftheemissioncontrolsystemandcouldleadtodamage.
Donotalterorremoveanycomponentoftheemissioncontrolsystem.
Donotalterorremoveanydevice,suchasheatshields,switches,ignitionwires,valves,etc.,whicharedesignedtoprotectyourvehicle’semissioncontrolsystem.Inadditiontoseriousenginedamage,thiscanresultinafireifexcessrawfuelreachestheexhaustsystem.
Donotcontinuetooperateyourvehicleifyoudetectenginemisfireorotherunusualoperatingconditions.
Parking
Warning!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotparkoroperatethevehicleinareaswherethehotexhaustsystemmaycomeincontactwithdrygrass,brush,fuelspillorotherflammablematerial.
Ifyourcarcatchesonfireforanyreason,callthefiredepartment.Donotendangeryourlifebyattemptingtoputoutthefire.
Undercoating
Danger!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotapplyadditionalundercoatingorrust-proofingonorneartheexhaustmanifold,exhaustpipes,catalyticconvertersorheatshields.Duringdrivingthesubstanceusedforundercoatingcouldoverheatandignite.
Maintenance,CarCare225

HowEmissionControlWorks
Whenanautomobileengineisrunning,itusesenergygeneratedthroughthecombustionofamixtureofairandfuel.Dependingonwhetheracarisdrivenfastorslowlyorwhethertheengineiscoldorhot,someofthefuel(hydrocarbons)maynotbeburnedcompletely,butmaybedischargedintotheenginecrankcaseorexhaustsystem.Additionalhydrocarbonsmayentertheatmospherethroughevaporationoffuelfromthefueltank.Thesehydrocarbons(HC),whenreleasedintotheair,contributetoundesirablepollution.
Inaddition,carbonmonoxide(CO)andoxidesofnitrogen(NOx)contributetoengineemissions.They,too,areformedduringthecombustionprocessanddischargedintotheexhaustsystem.
Toreducethesepollutants,yourPorscheisequippedwithapreciselycalibratedfuelinjectionsystemtoassureafinelybalancedair/fuelmixtureunderalloperatingconditions.
Oxygensensor
Theoxygensensor,installedintheexhaustpipecontinuouslysensestheoxygencontentoftheexhaustandsignalstheinformationtoanelectroniccontrolunit.Thecontrolunitcorrectstheair/fuelratio,sotheenginealwaysreceivesanaccuratelymeteredair/fuelmixture.
Crankcaseventilation
Throughcrankcaseventilation,undesirableemissionsfromtheenginecrankcasearenotpermittedtoreachtheoutsideatmosphere.Theseemissionsarerecirculatedfromthecrankcasetotheairintakesystem.Fromheretheemissionsmixwiththeintakeairandarelaterburnedintheengine.
Catalyticconverters
Thecatalyticconvertersareefficient”clean-up“devicesbuiltintotheexhaustsystemofthevehicle.Thecatalyticconvertersburntheundesirablepollutantsintheexhaustgasbeforeitisreleasedintotheatmosphere.
Theexclusiveuseofunleadedfueliscriticallyimportantforthelifeofthecatalyticconvert-ers.Therefore,onlyunleadedfuelmustbeused.
Thecatalyticconverterswillbedamagedby:
–pushortowstartingthevehicle,
–misfiringoftheengine,
–turningofftheignitionwhilethevehicleismovingor
–drivinguntilthefueltankiscompletelyempty,
–byotherunusualoperatingconditions.
Donotcontinuetooperateyourvehicleundertheseconditions,sincerawfuelmightreachthecatalyticconverters.Thiscouldresultinoverheatingoftheconverters.Federallawprohibitsuseofleadedfuelinthiscar.
226Maintenance,CarCare

FuelEvaporationControl
Fueltankventing
Theevaporationchamberandthecarboncanisterpreventfuelfromescapingtotheatmosphereatextremehighoutsidetemperatures,whendrivingabruptlyaroundcurvesandwhenthecarisparkedataninclineorinanyothernonlevelposition.
Vaporcontrolsystemandstorage
Whenthefueltankisfilled,vaporsarecollectedintheevaporationchamberbyaventlineleadingthevaporstothecarboncanisterwheretheyarestoredaslongastheenginedoesnotrun.
Purgesystem
Whentheengineisrunning,thefuelvaporsfromthecanisterwillbemixedwithfreshairfromtheambientairofthecanister.Thismixturewillbedirectedtotheintakeairhousingbythetankventline,mixedwiththeintakeairandburnedduringnormalcombustion.
Maintenance,CarCare227

CarCareInstructions
Long-termmaintenanceofvalue
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage208.
Regularandcorrectcarehelpstomaintainthevalueofyourcarandisalsoaprecondi-tionfortheNewVehicleWarrantyandtheAntiCorrosionWarranty.
YourauthorizedPorschedealerhasspeciallydevelopedcar-careproductsfromthePorscheprogramavailableeithersinglyorascompletecar-caresets.Theywillbepleasedtohelpyouselectsuitableproducts.
WhetheryouusePorscheproductsorothercommerciallyavailablecleaningagentsrstmakesureoftheircorrectapplication.
APorschethatiswell-caredforcanlooklikenewforyears.Italldependsontheamountofcaretheowneriswillingtogivethecar.
Warning!
Riskofseriouspersonalinjuryordamagetothevehicleorproperty.Cleaningagentsmaybehazardoustoyourhealth.Mostchemicalcleanersareconcentrateswhichrequiredilution.Highconcentrationsmightcauseproblemsrangingfromirritationtoseriousinjuryaswellasdamagetoyourvehicle.
Keepcleaningagentsoutofreachfromchildren.
Observeallcautionlabels.
Alwaysreaddirectionsonthecontainerbeforeusinganyproduct.Thesedirectionsmaycontaininformationnecessarytoavoidpersonalinjury.
Donotusefuel,kerosene,naphtha,nailpolishremoverorothervolatilecleaningfluids.Theymaybetoxic,flammableorhazardousinotherways.Onlyusespotremovingfluidsinawellventedarea.
Donotcleantheundersideofchassis,fenders,wheelcovers,etc.,withoutprotectingyourhandsandarmsasyoumaycutyourselfonsharp-edgedmetalparts.
Moistureandroadsaltonbrakesmayaffectbrakingefficiency.
Testthebrakesaftereachvehiclewashing.
Carwashing
Washing
Thebestmethodofprotectingyourcarfromthedamagingeffectsoftheenvironmentisfrequentwashingandtheapplicationofapreservative.Theundersideofyourvehicleshouldalsobethoroughlywashedforcinders,saltorsandingatwinter’send.
Thelongersalt,roaddustandindustrialdust,deadinsects,birddroppingsorsubstancesfromtrees(resin,pollen)areallowedtoremainonthebodywork,themoreseriousistheirharmfuleffect.
Newcarsshouldbewashedcarefullywithplentyofclearwatertoprotectthenewpaintwork.Darkpaintfinishesshowupthesmallestofsurfacedamage(e.g.,scratches)morereadilythanlightercolors.
Darkcolorsarealsomoresusceptibletoscratch-ingbecauseofthecompositionoftheirpigmentsandrequireparticularlycarefulpaintcare.
Donotwashyourcarinbrightsunlightorwhilethebodyworkisstillhot.
Whenwashingbyhand,useabundantwater,asoftspongeorwashbrush,andPorschecarshampoo.
Beginbysprayingthebodythoroughlywithwatertorinseawayloosedirt.
Maintenance,CarCare233

Oncecleaned,leather(particularlytheheavilystressedleatherseats)mustbetreatedonlywithPorscheleathercareliquid.
Fabric,upholstery,carpetsandoor-mats
Useonlyavacuumcleaneroramediumstiffbrush.
RemovestainsandspotswithPorschestainremover.
ThePorscherangeofaccessoriesincludesnonskidfloor-matstoprotectthecarpetsinsummerandwinter.
Warning!
Riskofanaccidentresultinginseriouspersonalinjuryordeath.
Alwayscheckthemovementofthepedalsbeforedrivingandmakesurethattheyarenotobstructedbyafloormatoranyotherobject.
Securethefloormattopreventitfromslidingintopositionsthatcouldinterferewiththesafeoperationofyourvehicle-donotlaythemlooselyinthevehicle.YourPorschedealerwillbegladtoofferyounonskid-floormatsofthecorrectsize.
Alcantara
Regularcare
DonotusealeathercareproducttocleanAlcantara.
Forregularcareitissufficienttocleanthecoverwithasoftbrush.
Heavyabrasionorrubbingwhencleaningcausesapermanentchangeinthesurface.
Cleaningwhenlightlysoiled
Wetasoftclothwithwateroraneutralsoapsolutionandwipeoffthedirt.
Cleaningwhenheavilysoiled
Wetasoftclothwithlukewarmwaterorthinnedwhitespiritanddabthedirtfromtheoutsidein.
Safetybelts
Ifitbecomesnecessarytocleanthebelts,youcanuseanymildwashingagent.Allowthebeltstodrypriortoretracting,butavoiddirectsunlight.
Onlyusesuitablecleaners.Ifunsuitablecleanersareusedoranyattemptismadetodyeorbleachthebelts,thewebbingmaybeweakenedandthusconstituteasafetyrisk.
StoringyourPorsche
IfyouintendtostoreyourPorscheforaprolongedperiod,pleaseconsultyourauthorizedPorschedealer.Thestaffwillbegladtoadviseyouonthemostsuitableandnecessarymethods.
Cleanyourvehiclethoroughlyinsideandoutside.Cleantheenginecompartment.Theundercarriageandchassiscomponentsshouldbefreeofdirtandsaltdeposits.
Fillupthefueltank.
Changetheoilandoilfilter,andruntheengineforseveralminutes.
Increasethetirepressureto58psi(4bar).Itisnotrecommendedtoliftthevehicle,duetothepossibilityofcorrosiononshockabsorberpistonshafts.Thevehicleshouldbemovedslightly,approximatelyeveryfourweeks,topreventflatspotonthetires.
Climatecontrol
Theairconditioningsystemshouldbeingoodworkingconditionandfullycharged.
Windshield/Headlightwasher
Checkandcorrectantifreeze/cleaningsolutionlevelasnecessary.
Maintenance,CarCare239

ExerciseExtremeCautionwhen
WorkingonyourVehicle
Danger!
Ignoringthefollowinginstructionsmaycauseseriouspersonalinjuryordeath.
Theenginecompartmentofanymotorvehicleisapotentiallyhazardousarea.Ifyouarenotfullyfamiliarwithproperrepairprocedures,donotattempttheadjustmentsdescribedonthefollowingpages.Thiscautionappliestotheentirevehicle.
Onlyworkonyourvehicleoutdoorsorinawellventilatedarea.
Ensurethattherearenoopenflamesintheareaofyourvehicleatanytimewhenfuelfumesmightbepresent.Beespeciallycautiousofsuchdevicessuchashotwaterheaterswhichigniteaflameintermittently.
Beforeworkingonanypartintheenginecom-partment,turntheengineoffandletitcooldownsufficiently.Hotenginecompartmentcomponentscanburnskinoncontact.
Bealertandcautiousaroundengineatalltimeswhiletheengineisrunning.Ifworkhastobeperformedwiththeenginerunning,alwayssettheparkingbrake,andmakesuretheshiftleverisinneutralortheselectorleverisinpositionPorN.
Inparticular,beverycarefultoensurethatitemsofclothing(ties,shirt,sleevesetc.),jewelry,longhair,handorfingerscannotgetcaughtintheengine-compartmentblower,fan,beltsorothermovingparts.Theradiatorandradiatorfansareinthefrontofthecar.Thefanscanstartorcontinuerunningasafunctionoftemperature,evenwiththeengineswitchedoff.Carryoutworkintheseareasonlywiththeengineoffandexerciseextremecaution.
YourPorscheisequippedwithanelectronicignitionsystem.Whentheignitionison,highvoltageispresentinallwiresconnectedwiththeignitionsystem;therefore,exerciseextremecautionwhenworkingonanypartoftheenginewhiletheignitionisonortheengineisrunning.
Alwayssupportyourcarwithsafetystandsifitisnecessarytoworkunderthecar.Jacksarenotsuitableforthiskindofwork.
Whenworkingunderthecarwithoutsafetystandsbutwiththewheelsontheground,makesurethecarisonlevelground,thewheelsareblocked,andthattheenginecannotbestarted.Removetheignitionkey.
Donotsmokeorallowanopenflamearoundthebatteryorfuel.Keepafireextinguisherinclosereach.
Incompleteorimproperservicingmaycauseproblemsintheoperationofthecar.Ifindoubtaboutanyservicing,haveitdonebyyourauthorizedPorschedealer.ImpropermaintenanceduringthewarrantyperiodmayaffectyourPorschewarrantycoverage.
Suppliesoffluids,e.g.engineoil,brakefluidorcoolant,arehazardoustoyourhealth.Keepthesefluidsoutofchildren’sreachanddisposeoftheminaccordancewiththeappropriateregulations.
Somecountriesrequireadditionaltoolsandspecialsparepartstobecarried.Pleasemakeenquiriesbeforedrivingabroad.
Workingintheenginecompartment
Havethenecessaryworkintheenginecompart-mentdonebyyourauthorizedPorschedealer.
242PracticalTips,EmergencyService