2003 PORSCHE 911 CARRERA check engine

CarTelephoneand
AftennarketAlarms

Importantlegalandsafetyinformation
regardingtheuseofcellulartelephones

Some
statesmayprohibittheuseofcellular
telephoneswhiledrivingavehicle.Checkthe
lawsandregulationsontheuseofcellulartele-
phonesintheareaswhereyoudrive.
/!\.Danger!

Risk
ofanaccident.
Severepersonalinjuryordeathcanresult
intheeventofanaccident.
Lookingawayfromtheroadorturning
yourattentionawayfromyourdrivingcan
causeanaccidentandseriousorfatalin-
jury.

Whenusingyourcellulartelephone,youshould
always:
[>
Givefullattentiontoyourdriving-pulloffthe
roadandparkbeforemakingoransweringa
calliftrafficconditionssorequire;
and
[>
Keepbothhandsonthesteeringwheel-use
hands-freeoperation(ifavailable)-pulloffthe
roadandparkbeforeusingahand-heldtele-
phone.
126Controls,Instruments

Itisessentialtoobservetheinstructionsof
thetelephonemanufacturerbeforeputting
thetelephoneintooperation.
Any
portabletelephoneorradiotransmitter
whichisusedinaPorschemustbeproperly
installedinaccordancewiththetechnicalre-
quirementsofPorsche.

Thetransmissionpowermustnotexceed

lOW.
Thedevicesmustpossessatypeapprovalfor
yourvehicleandhave
an"e"symbol.

Ifyoushouldrequireequipmentwithtrans-
missionpowervaluesgreaterthan10W,please
consultyourauthorizedPorschedealerforthis
purpose.Heisfamiliarwiththetechnicalrequire-
mentsforinstallingdevicesofthiskind.
Theantennasforallradiosandtelephoneswith
atransmittingantennamustbeexternally
mounted.
Theimproperinstallationofradiosortelephones
oruseofaradioortelephonewithatransmit-
tingantennainsidethecarmaycause
the
warninglightstocomeon.

Improperinstallationofsuchequipmentcancre-
ateadischargedbatteryorexcessivecurrent
drawfromaddedequipment.
Ifaftermarketsystemsareinstalledbynon-
dealershiptechniciansoroutsidetheselling
dealer,problemsmayresult.Installationofafter-
marketequipmentisnotcoveredundertheNew
CarWarranty.
[>
ConsultyourauthorizedPorschedealerabout
theinstallationofnonPorscheapproved
equipment.

Receptionquality

Thereceptionqualityofyourcartelephonewill
changeconstantlywhenyouaredriving.Inter-
ferencecausedbybuildings,landscapeand
weatherisunavoidable.Itmaybecomeparticu-
larlydifficulttohearwhenusingthehands-free
functionduetoexternalnoisesuchasengine
andwindnoise.

Automaticcar-wash

[>Unscrewexternalantennasbeforeusingan
automaticcar-wash.

Gearshifting
Thepositionsofthegearsareshownonthe
gearshiftlever.
/!\.Warning!
Riskofanaccident.
I>Alwayscheckthemovementoftheclutch
pedalbeforedrivingandmakesurethatitis
notobstructedbyafloormatoranyother
object.
I>Securethefloormattopreventitfromsliding
intopositionsthatcouldinterferewiththe
safeoperationofyourvehicle.
YourPorschedealercanofferyoufloormats
ofthecorrectsizeincludingasecuringpossi-
bility.
Toavoiddamagetotheclutchandtrans-
mission:
I>Alwaysdepresstheclutchpedalfullywhen
changinggears.
Makesurethatthegearshiftleveriscom-
pletelyengaged.
I>Onlyshiftintoreversewhenthecarhascome
toacompletestop.
128ShiftingGear
Reverse
I>Depresstheclutchpedalforseveralseconds
beforeshiftingintoreverse.
Onlythenmovethegearshiftlevertotheleft,
overcomingthespringtension,andthento
thefront.
Bothback-uplightscomeonwhenthetrans-
missionisputintoreverse(withignitionon).

Permittedenginespeed

~
I>Changeintoahighergearbeforetheneedle
reachestheredmarkonthetachometer,or
easeofftheaccelerator.
Iftheredzoneisreachedduringacceleration,
fuelfeedisinterrupted.
/!\.Caution!
Toavoidsevereenginedamage.
I>Alwaysobservetheenginerpmbeforedown-
shiftingtoalowergear,soyoudonotex-
ceedthemaximumenginerpm.

e
Warning
light
Itlights
upwhentheignitionisswitchedonand
mustgooutwhentheengineisrunning.
Ifthewarninglightlightsupwiththeenginerun-
ning,theconvertibletopisnotinoneofitsend
positions.
I>Fullyopenorclosetheconvertibletop.
Driveonlywiththeconvertibletopfullyopen
orclosed.
Ifthewarninglightdoesnotgooutintheend
position,pleaseconsultanauthorizedPorsche
dealer.
Afaultispossible,oritmaybenecessaryto
adjusttheconvertible
top.
Ifthewarninglightflashes
whenoperatingthe
convertibletopwiththerockerswitch:
I>Checkwhethertheenginecompartmentlidis
closed.
Emergencyoperation
oftheconvertibletop
I>
Before
performingemergencyoperation,
pleasecheck:
Wastheignitionswitchedonandwastheen-
ginecompartmentlidclosedduringoperation
oftheconvertibletopwiththerockerswitch?
Areelectricalfusesdefective?
Refertothechapter"Electricalsystem".

A.Warning!
Thereisadangerofinjuryduringemer-
gencyoperation.
Thereisadangerofcrushingortrapping
bodypartsatallmovableconvertibletop
partswhichcouldcauseseriouspersonal
injury.

I>Takegreatcarewhenperformingemergency
operation.
I>Donotoperatetheconvertibletopduringand
afteremergencyoperation.
Before
emergencyoperation
I>
Removetheignitionkeysothattheconvert-
ibletopisnotoperatedunintentionally.

I>
Takescrewdriveroutofthetoolkit.Referto
thechapter"Toolkit".
I>Foldtherearseatbackrestsforward.

I>I>I>

MobileRoofs
143

Coolant
level

Followtheinstructionsinthe"Cautions"chapter.
Thecoolingsystemisfilledatthefactorywitha
permanentcoolant.
Itprovidesyear-roundprotectionfromcorrosion
andfreezingdownto-31°Fj-35°C(Nordic
countries-40°Fj-40°C).
OnlyuseantifreezeauthorizedbyPorsche.
Checkingcoolantlevel
Theexpansiontankwithitsfillerorificeisinthe
enginecompartment.
~Checkthecoolantlevelregularlythroughthe
transparentexpansiontank.
Whentheengineiscoldandthecarislevelthe
fluidlevelmustliebetweenthe"Min."and"Max."
markings.

Toppingoffcoolant

A.Warning!
Dangerofseriouspersonalinjuryfrom
scalding.Coolantishazardoustoyour
health,andmaybefatalifswallowed.
~Donotopenthecapoftheexpansiontank
whiletheengineishot.
~Allowtheenginetocooldownbeforeopening
thecapandprotectyourhands,armsand
facefromanypossibleescapeofhotcoolant.
~Keepcoolantoutofchildren'sreach.
~Also,keepcoolantawayfromyourpets.
Theycanbeattractedtoitshouldtherebea
spill,ortousedcoolantleftinanopencon-
tainer.Coolantcanbedeadlytopetsifcon-
sumed.
1.Switchengineoffandletitcool.
Seethechapteronthe"Coolingsystem".
2.Covertheexpansiontankcapwithathick
rag.
Opencapslowlyandcarefullyandallowover-
pressuretoescape.
Thenunscrewcapcompletely.
3.Onlyaddamixtureofantifreezeandwaterin
equalparts,anddonotexceedthe"Max."
mark.
Antifreezeincoolant:
50%givesprotectiondownto-31°Fj-35°C
60%givesprotectiondownto-58°Fj-50°C
4.Screwcapfirmlyon.
Ifinanemergencypurewaterhasbeenadded,
themixratiomustbecorrectedatanauthorized
Porschedealer.
Markedlossofcoolantindicatesleakageinthe
coolingsystem.
Thecauseshouldimmediatelyberemediedat
anauthorizedPorschedealer.
~~~
Maintenance,CarCare
169

Engine-compartment
blower,

radiatorfan
Theradiatorandradiatorfansareinthefrontof
thecar.
Theengine-compartmentblowerismountedon
theenginecompartmentlid.
/?\.Warning!
Riskofinjury.
Aftertheengineisswitchedoff,theengine-
compartmentandcoolanttemperaturesare
monitoredforapprox.20minutes.
Duringthisperiod,anddependingontem-
perature,theengine-compartmentblower
andradiatorfansmaycontinuetorunor
starttorun.
I>Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
170Maintenance,CarCare
EngineOil
Engineoilconsumption
Itisnormalforyourenginetoconsumeoil.
Therateofoilconsumptiondependsonthe
qualityandviscosityofoil,thespeedatwhich
theengineisoperated,theclimate,roadcondi-
tionsaswellastheamountofdilutionandoxida-
tionofthelubricant.
Ifthevehicleisusedforrepeatedshorttrips,
andconsumesanormalamountofoil,theen-
gineoilmeasurementmaynotshowanydropin
theoillevelatall,evenafter600miles(1000
km)ormore.Thisisbecausetheoilisgradually
becomingdilutedwithfuelormoisture,makingit
appearthattheoillevelhasnotchanged.
Thedilutingingredientsevaporateoutwhenthe
vehicleisdrivenathighspeeds,asonanex-
pressway,makingitthenappearthatoilisex-
cessivelyconsumedafterdrivingathighspeeds.
Iftheconditionsyoudriveyourvehicleinare
dusty,humid,orhot,thefrequencyoftheoil
changeintervalsshouldbegreater.
Ifthevehicleisdrivenatahighrateofspeed,
climaticconditionsarewarm,andtheloadis
high,theoilshouldbecheckedmorefrequently,
asdrivingconditionswilldeterminetherateof
oilconsumption.
-Theengineinyourvehicledependsonoilto
lubricateandcoolallofitsmovingparts.
Therefore,theengineoilshouldbechecked
regularlyandkeptattherequiredlevel.
-Makeitahabittohavetheengineoillevel
checkedwitheveryfuelfilling.
-Theoilpressurewarninglightisnotanoil
levelindicator.
Theoilpressurewarninglightindicates
seriousenginedamagemaybeoccuring
whenlit,ifenginerpmisaboveidlespeed.

Engine
Oillevel

Followtheinstructionsinthe"Cautions"chapter.
t>Regularlychecktheoillevelusingthe
on-boardcomputereachtimethevehicleis
refuelled.
Refertothechapter"On-boardcomputer".
A.Warning!
Engineoilishazardoustoyourhealthand
maybefatalifswallowed.
t>Keepengineoiloutofchildren'sreach.
Usedengineoilcontainschemicalsthat
havecausedcancerinlaboratoryanimals.
t>Alwaysprotectyourskinbywashingthor-
oughlywithsoapandwater.
Thedipstickandoilfillerareintheenginecom-
partment.
PreconditionsforCOlTectoillevel
measurementwiththedipstick
-Vehiclemustbelevel.
-Enginemustbeswitchedoffandatoperating
temperature.
-Letengineoilflowintotheoilpanforafew
minutesaftertheenginehasstoppedrunning.
Checkingtheoillevel
1.Withdrawdipstickandwipeitwithaclean,
lint-freecloth.
2.Pushdipstickfullyhome,withdrawagainand
readofftheoillevel.
Pushdipstickinasfarasthestop.
Theoillevelmustinnocasefallbelowthemini-
mumorexceedthemaximumoillevelonthe
dipstick.
Thedifferencebetweenthetwomarksisap-
proximately
1.25
litersj1.33quarts.

Topping
offengineoil
1.Ifnecessary,addengineoilhalfaliterata
time.Unscrewthecapoftheoilfiller.
2.Checkoillevelwiththedipstickagainaftera
fewminutes.
3.Pushdipstickinasfarasthestop.
Pushfillingaidinwiththecapandclosecap
carefully.
Maintenance,CarCare
171

Oilchange

Theengineoilhastobechangedattheinter-
valslistedinyourMaintenanceSchedule.
See"Capacities".
Werecommendthatyouhavetheengineoil
changedatyourPorschedealer,whohasthe
requiredoilsandthenecessaryfillingequipment.
Ifyoususpectanoilleakintheenginehave
yourdealercheckitoutimmediately.
Allcurrentengineoilsarecompatiblewitheach
other,i.e.whenmakinganoilchangeitisnot
necessarytoflushtheengineifyouwishtouse
adifferentbrandorgradeofoil.
Since,however,eachbrandofoilhasaspecial
composition,youshould,ifpossible,usethe
sameoilbrandifitbecomesnecessarytotop
upbetweenoilchanges.
Porscheengineshavelongintervalsbetweenoil
changes.Youcanmakebestuseoftheselong
oilchangeintervalsbyusingmultigradeoils
sincethesearelargelyindependentofseasonal
fluctuationsintemperature.
Ifyourvehicleisusedfrequentlyinstop-and-go
trafficincoldweather,theenginewillnotalways
beproperlywarmedup.
Condensationfromproductsofcombustionmay
accumulateintheoil.Inthiscase,itisadvisable
tochangetheoilmorefrequentlysothatyour
engineonceagainhas100%efficientengine
oil.
Engineoilperformanceclass
Engineoilisnotonlyalubricant,butalsoserves
tokeeptheengineclean,toneutralizethedirt
whichpenetratesintotheenginethroughcom-
bustionandtoprotecttheengineagainstcorro-
sion.
Toperformthesefunctions,theoilisprovided
withadditiveswhichhavebeenspeciallyde-
velopedforthesefunctions.
Theefficiencyofanoilisexpressed,for
example,bytheAPI,ILSACorACEAclassifica-
tions.
UseonlyengineoilswiththeclassificationAPI
SHorSJ,orILSACGF3,orACEAA3(Europe).
Viscosity
Likeallliquids,engineoilisviscouswhencold,
andthin-bodiedwhenwarm.Theviscosityofan
oilisexpressedbyitsSAEclass.Forcoldvis-
cosity(measuredattemperaturesbelow
32°FjO°C)theSAEclassisgivenasanumber
andtheletter"W"
(asinwinter),forhotviscosity
(measuredat212°Fj100°C)theSAEclassis
givenonlyasanumber.
Theviscosityofanoilis,therefore,alwaysthe
sameifithasthesamenumberofanSAE
class.
E.g.:A10W-30oilanda10W-40oilhavethe
sameviscositywhencold(belowO°C);whenhot
(at212°Fj100°C)theoilwiththenumber30is
thinnerthantheoilwiththenumber40.
Oilswithtwoviscositiesarecalledmultigrade
oils;oilswithonlyoneviscosityaretermed
single-gradeoils.
Single-gradeoilscanonlybeusedforthenar-
rowtemperaturerangeidentifiedbytheirSAE
number;multigradeoilscoverawidertempera-
turerange.
TheviscosityoftheengineoilforyourPorsche
hastobechosenaccordingtotheambienttem-
peraturegivenintheengineoilrecommendation
table.
Maintenance,CarCare
173

Fuel
/!\Warning!
Fuelishighlyflammableandharmfulto
health.
I>Fire,openflameandsmokingareprohibited
whenhandlingfuel.
I>Avoidcontactwithskinorclothing.
I>Donotinhalefuelvapors.

Topreventdamagetotheemissioncontrol
systemandengine:
I>
Neverdrivethetankcompletelyoutoffuel.

I>
Avoidhighcorneringspeedsafterthewarning
lightshavecomeon.
Followtheinstructionsinthe"FuelEconomy",
"EmissionControlSystem"and"Fuellevel
gauge"chapters.
Check
enginewarninglight

Ifthewarninglightsintheinstrumentpaneland
on-boardcomputercomeonandremainson
whiledriving,itsuggests:
-animproperlyfastenedtankcapor
-refuellingwithenginerunning.
176Maintenance,CarCare

Openingthefillerflap

Thefilleropeningisunderthefillerflapinthe
frontrightfender.

I>
Withthevehicleunlocked,pressonthefront
partofthefillerflap(arrow)toopentheflap.
Thefillerflapiscentrallylockedalongwiththe
otherlocks.

Ifthereisadefectintheautomaticunlock-
ingsystem:
I>
Openthepassengerdoor.

I>
Pulltheringintheright-handdooraperture
(arrow).