fuel pressure PORSCHE 911 CARRERA 2003 4.G Owners Manual

InstrumentPanelUSAModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
69

InstrumentPanelCanadaModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
71

Instrument
On-boardTextdisplay
inMeaning/measure
panelcomputeron-boardcomputer

UnitsTheunitskilometers/milesforspeedand
arechangeddistancewerechanged.
LIMITCurrentspeedcanbeacceptedforthe
Cannotbeacousticwarningsignalonlyifthevehicleis
acceptedwithinmotion.
vehiclestopped
USALIMITSelectedspeedlimitfortheacousticwarning
~exceededsignalhasbeenexceeded.
Adjustyourspeedifnecessary.

Canada

~Fuel
levelgauge
IJ1
ConsiderrangeonRefuelatthenextopportunity.
warninglightremainingfuel
0ii1
EngineoilStopimmediatelyatasuitableplace,
pressuremeasureoillevelwiththeon-boardcomputer
toolowand,ifnecessary,addengineoil.
Temperature
II
EngineSwitchengineoffandletitcool.
gaugewarningtemperatureCheckcoolantleveland,ifnecessary,
lighttoohighaddcoolant.
Temperature~CheckSwitchengineoffandletitcool.
gaugewarningcoolantlevelCheckcoolantleveland,ifnecessary,
lightflashesaddcoolant.
Controls,Instruments
93

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.

FuelEconomy
Fueleconomywillvarydependingon
where,whenandhowyoudrive,optional
equipmentinstalled,andthegeneralcondi-
tionofyourcar.
Acartunedtospecificationsandcorrectly
maintained,willhelpyoutoachieveoptimal
fueleconomy.
I>Haveyourvehicletunedtospecifications.
Aircleanershouldbedirtfreetoallowproper
engine"breathing".
Batteryshouldbefullycharged.
Wheelsshouldbeproperlyaligned.
Tiresshouldbeinflatedatcorrectpressure.
I>Alwaysmonitoryourfuelconsumption.
I>Drivesmoothly,avoidabruptchangesin
speedasmuchaspossible.
I>Avoidjackrabbitstartsandsuddenstops.
I>Donotdrivelongerthannecessaryinthe
lowergears.Shiftingintoahighergearearly
withoutluggingtheenginewillhelpsavefuel.
I>Prolonged"warmup"idlingwastesgas.Start
thevehiclejustbeforeyouarereadytodrive.
Accelerateslowlyandsmoothly.
I>Switchofftheengineifstationaryforlonger
periods.
I>Anyadditionalweightcarriedinthevehiclere-
ducesfueleconomy.Alwayskeepcargotoa
minimumandremoveallunnecessaryitems.
I>Organizeyourtripstotakeinseveralerrands
inonetrip.
I>Allelectricalaccessoriescontributetoin-
creasedfuelconsumption.
I>Onlyswitchontheairconditioningwhen
necessary.
I>DonotdrivewiththeRoofTransportSystem
mountedunlessyouneedit.
TheEPAestimatedm.p.g.istobeusedfor
comparisonpurposes,actualmileagemay
bedifferentfromtheestimatedm.p.g.,de-
pendingonyourdrivingspeed,weather
conditionsandtriplength.Youractual
highwaymileagewillprobablybelessthan
theestimatedm.p.g.
I>Pleaseobservealllocalandnationalspeed
limits.
OperatingYourPorscheinother
Countries
GovernmentregulationsintheUnitedStatesand
Canadarequirethatautomobilesmeetspecific
emissionregulationsandsafetystandards.
Therefore,carsbuiltfortheU.S.andCanada
differfromvehiclessoldinothercountries.
IfyouplantotakeyourPorscheoutsidethecon-
tinentallimitsoftheUnitedStatesorCanada,
thereisthepossibilitythat
-unleadedfuelmaynotbeavailable;
-unleadedfuelmayhaveaconsiderablylower
octanerating.Excessiveengineknockand
seriousdamagetobothengineandcatalytic
converterscouldresult;
-servicemaybeinadequateduetolackof
properservicefacilities,toolsordiagnostic
equipment;
-replacementpartsmaynotbeavailableor
verydifficulttoget.
Porsche
cannot
beresponsibleforthe
mechanicaldamagethatcouldresultbe-
causeofinadequatefuel,serviceorparts
availability.
IfyoupurchasedyourPorscheabroadandwant
tobringitbackhome,besuretofindoutabout
shippingandforwardingrequirements,aswell
ascurrentimportandcustomsregulations.
Maintenance,CarCare
175

Storing
yourPorsche
IfyouintendtostoreyourPorscheforapro-
longedperiod,pleaseconsultyourauthorized
Porschedealer.Thestaffwillbegladtoadvise
youonthemostsuitableandnecessary
methods.
I>Cleanyourvehiclethoroughlyinsideandout-
side.
Cleantheenginecompartment.
Theundercarriageandchassiscomponents
shouldbefreeofdirtandsaltdeposits.
I>Fillupthefueltank.
I>Changetheoilandoilfilter,andruntheen-
gineforseveralminutes.
I>Increasethetirepressureto58psi(4bar).
Itisnotrecommendedtoliftthevehicle,due
tothepossibilityofcorrosiononshockabsor-
berpistonshafts.
Thevehicleshouldbemovedslightly,approxi-
matelyeveryfourweeks,topreventflatspot
onthetires.
Climatecontrol
Theairconditioningsystemshouldbeingood
workingconditionandfullycharged.
Windshield/Headlightwasher
I>Checkandcorrectantifreeze/cleaningsolu-
tionlevelasnecessary.
Electricalsystem
I>Removethebatteryfromthevehicleand
storeitinacooldryplace,notonacement
floor.
Whenthebatteryisdisconnected,the
alarmsystemisdeactivated.
I>Rechargethebatteryevery3months.Ifthe
batteryremainsinthevehiclewiththecables
connected,itisnecessarytocheck,remove
andrechargethebatteryevery2-3weeks.

Donotfastchargethebattery.
I>
Followtheinstructionsinthe"Battery"chap-
ter.
Vehicle
interior
The
interiormustbedry,especiallyinthearea
ofthefloorcarpets.Theuseofdryingagents
(Silica-Gel)isrecommendedinvehicleswith
leatherinteriorandinareaswithhighhumidity.
Therecommendedamountis3fabricbagsof
1.1Ibs.(500grams)eachplacedonthefloor
carpets.
Windows,doors,lidsandroofmustbeclosed.
Theairflapsshouldbeopened.
Maintenance,CarCare
193

Tire
wear
TheoriginalequipmenttiresonyourPorsche
havebuilt-intirewearindicators.Theyare
moldedintothebottomofthetreadgrooves
andwillappearasapproximately1/2in(12mm)
bandswhenthetiretreaddepthisdownto
1/16ofanin(1.6mm).
Whentheindicatorsappearintwoormoread-
jacentgrooves,itistimetoreplacethetires.
Werecommend,however,thatyoudonotlet
thetiresweardowntothisextent.
Worntirescannotgriptheroadsurfaceproperly
andareevenlesseffectiveonwetroads.
IntheUnitedStates,statelawsmaygovernthe
minimumtreaddepthpermissible.Followall
suchlaws.
200PracticalTips,EmergencyService
/!\Warning!
Drivingonworntirescanresultinlossof
controlofthevehicleandcouldcause
severepersonalinjuries.
~Donotdrivewithworntiresortiresshowing
cutsorbruisesastheymayleadtosudden
deflationandlossofcontrolwhichcould
causeseverepersonalinjury.
~Specializedhighperformancetiresonhigh
performancesportscarsexhibitmorewear
thanthoseonafamilysedan,orevenahigh
performancesedan.
Therefore,itisimportanttocheckyourtire
pressureandconditionatleasteverytwo
weeks.
Ifyounoticethattiresarewearingunevenly,
consultyourPorschedealer.
Unevenwearmaynotalwaysbeduetoim-
properwheelalignment.Itcanbetheresultof
individualdrivinghabitssuchascorneringat
highspeeds.Ifthetirepressureisnotchecked
andadjustedregularly,abnormaltirewearcan
alsooccur.
Tirecare
~Avoiddamagingtiresandwheelrims.
~Ifyoumustdriveoveracurborotherob-
stacle,driveslowlyandatanobtuseangle.
~Checktiresforunevenwearanddamagebe-
foredrivingoff.
~Removeimbeddedmaterial.
~Replacewornordamagedtiresimmediately.
~Keepoil,fuel,brakefluid,etc.awayfrom
tires.
~Replacemissingvalvestemcaps.
~Keeptiresinflatedcorrectly.

AdjustingHeadlights

Seecautionon"ReplacingBulbs..
Adjustment

Theadjustmentismadewiththevehicleready
todriveandthefueltankcompletelyfilled.
Thedriver'sseatmustbeloadedbyapersonor
a165Ibs.(75kg)weightandthetirepressures
mustmeettheprescribedvalues.
Afterbeingloaded,thecarmustberolledafew
meterssothatthesuspensioncansettle.
236PracticalTips,EmergencyService
Forcheckingtheheadlightadjustment,theverti-
calpositionofthecutoffofthelowbeam(see
fig.)hastobeprojectedonaverticalscreen
(wall)indistanceof7.5mfromthefrontlensof
theheadlamp.
Thecorrectpositionofthecutoffis5cmat
7.5m(0.4°)belowahorizontalline,xcmfrom
groundtothecenteroftheheadlamplens.
Lateraladjustmentoftheheadlightsshouldbe
carriedoutataspecialistworkshopwithanopti-
caladjustmentunit.
Distance
Visualaimshallbeperformedatnotlessthan
7.5m(thisvalueisaroundeddownconversion
fromthe25-footdistancetypicaloffieldaim
usingascreen).The7.5mdistanceis
measuredfromtheheadlamplenstotheviewing
screen.

D
Dashboard62,63
Defrostingwindows30,106-109
Diagnosticsocket15,213
Diagrams255-258
Dimensions254
Door20
-Guard233
-Handles20
-Locks20,187
-Windows20,26,27,140,189
Doormirror28,29
-Heating30
Drivinghints12-14
Drivingperformance245
Dynamometertesting59,61
260Index
E
Electricalsystem212-214
Emergencyflasher99
Emergencyprogram,Tiptronic134
Emergencyservice196-239
Emergencystarting
withjumpercables220,221
Emergencyoperation
-Centrallocking22
-Convertibletop140-149
-Glassslidingroof(Targa)164,165
-Lids214
-Lifting/slidingroof138,139
-Tankflap176
Emissioncontrolsystem7,81,179,180
Enginecompartment
-Blower67,77
-Lid118,119
-Light233
Engine
-Checkingoillevel86,87,171
-Dipstick171
-Exhaust8
-Number242
-Oilconsumption14,170
-Oillevel171
-Oillevelgauge86,87
-Oilpressuregauge80
-OilpressurewarningIight80
-Oils17°-173,250
-Starting64-67
-Speeds14,245
-Switchingoff64-67
F
Foglights100,229,231
Footbrake53-55
Footwelilights114
Four-wheeldrive60,61
Fronthood118,119
Frontspoiler51
Fuel4,78,176-181,250
-Containers8
-Economy175
-Evaporationcontrol181
-Levelwarninglight78
-Levelgauge78
-Recommendation177,178
-Tank176,177,250
Fuses213
G
Garagelift205
Gearchanging128-134
Glassslidingroof161
-Emergencyoperation164,165
Glovecompartment116
Gong
16,65,84,98