2004 PORSCHE 911 GT3 check engine light

Switchposition 1

Ignition ison.
All electrical equipment canbeswitched on.
The warning lightslightupfor alamp check.
Please notethedescription ofthe individual warn-
ing lights.

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When turning thekey toposition 1,relieve the
steering lockwith aslight steering movement.

Note

To conserve batterypoweratlow rpm (traffic
jams, towndriving etc.),switch offallelectrical
consumers whicharenotneeded atthat moment.
Switch
position 2

Starting theengine

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Turn thekey from position 1to position 2.

The clutch pedalmustbedepressed fully
before thestarter willengage.

The first operation ofthe starter isended automat-
ically when theengine starts.
If the engine doesnotstart, subsequent starter
operations willnotbeended automatically.
If the engine doesnotstart atthe first time or
stalls atany time, thekey must bereturned to
position O.
When theengine isrunning, thewarning lights
should gooff. Ifa light does notgooff, take
appropriate actionasindicated inthis manual.
Switching
engineoff

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Turn theignition keyfrom position 1to
position O.

/!\
Warning!
Risk ofan accident.
The steering wheel
willlock
andwillcause
loss ofsteering.

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Never remove keyfrom theignition lockorturn
the key offwhile thevehicle ismoving.

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Toavoid battery run-down, alwaysremove the
ignition keyfrom theignition lock.
Please observe thechapter "SATTERY" on
Page 155.

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Turn thesteering wheeluntilthesteering lock
is engaged.

Gong
If you leave thekey inthe ignition/steering lock,a
gong willsound whenthedriver's doorisopened.
This isareminder toremove thekey.
Controls, Instruments
51

Instrument PanelUSAModels

Also refer tothe corresponding chaptersin
the Owner's Manual.

1 Voltmeter
2 Speedometer withanalogue display
3 Speedometer withdigital display
4 Automatic speedcontrol indicator light
5 Tachometer
6 Turn signal indicator light,left
7 High beam indicator light
8 On-board computer
9 Turn signal indicator light,right
10 Light sensor forinstrument illumination
11 Clock
12 Cooling system
Temperature gauge,warning light
13 Fuel
Level gauge, warning light
14 Engine oilpressure gauge
Controls, Instruments
Warning
lightslindicator lights

A Washer fluidlevel warning light
B Check engine warning light
CABS warning light
D Brake fluidlevel,
Brake distribution warninglight
E Parking brakewarning light
F Brake padwear warning light
G Engine oilpressure warninglight
H Battery warning light
I Safety beltwarning light

J
Airbag warning light
K Luggage compartment lid/
engine compartment lidwarning light
When
theignition isswitched on,the warning
lights lightupfor alamp check.
Note

Warnings thathave been given arestored inthe
appropriate controlunitmemory andcanberead
out atan authorized Porschedealer.
This information canhelp towarn youabout situa-
tions which maybehazardous toyou oryour car.

Instrument PanelCanada Models

Also refer tothe corresponding chaptersin
the Owner's Manual.

1 Voltmeter
2 Speedometer withanalogue display
3 Speedometer withdigital display
4 Automatic speedcontrol indicator light
5 Tachometer
6 Turn signal indicator light,left
7 High beam indicator light
8 On-board computer
9 Turn signal indicator light,right
10 Light sensor forinstrument illumination
11 Clock
12 Cooling system
Temperature gauge,warning light
13 Fuel
Level gauge, warning light
14 Engine oilpressure gauge
Controls, Instruments
Warning
Iights/indicator lights

A Washer fluidlevel warning light
B Check engine warning light
CABS warning light

o
Brake fluidlevel,
Brake distribution warninglight
E Parking brakewarning light
F Brake padwear warning light
G Engine oilpressure warninglight
H Battery warning light
I Safety beltwarning light

J
Airbag warning light
K Luggage compartment lid/
engine compartment lidwarning light
When
theignition isswitched on,the warning
lights lightupfor alamp check.
Note

Warnings thathave been given arestored inthe
appropriate controlunitmemory andcanberead
out atan authorized Porschedealer.
This information canhelp towarn youabout situa-
tions which maybehazardous toyou oryour car.

o
Voltmeter

Indicates thebattery voltage.
Normal range:12to16 volts.
The voltage maydrop considerably whenthe
vehicle isbeing started.

If the gauge iscontinually below12volts
when theengine isrunning:

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Have thebattery charging systemchecked at
an authorized Porschedealer.
Controls, Instruments
BaHery

• Warning light

The warning lightinthe instrument panelcomes
on when ignition isswitched onand must gooff
when engine isrunning.

If the warning lightsinthe instrument panel
and on-board computer comeonwhile the
engine isrunning orwhile driving:

t>
Stop thecarinasafe place andstop the
engine.

Possible causes

- Defect inthe battery charging system.
- Broken drivebelt.

A
Warning!
Risk ofan accident andriskofengine dam-
age.
A broken drivebeltmeans thereisno power
assistance tothe steering (moreeffortisre-
quired tosteer) andcoolant pumpfunction
will stop.

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Donot continue driving.

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Have thefault remedied atthe nearest autho-
rized Porsche dealer.
A
-
Adjustment buttonforinstrument illumination and
trip counter

•. ~ Automatic SpeedControl

Indicator light

Indicates automatic speedcontrol readiness.

Tachometer
The tachometer showstheengine speedinrevo-
lutions perminute (rpm).
The beginning ofthe redmarks atthe right endof
the scale indicates themaximum permissible en-
gine rpm.
A speed limiterprevents theengine frombeing
overrewed duringacceleration. Beforereaching
this area, thenext
higher
gearshould beselect-

ed.
Shift tothe next
lower
gearwhen theengine rpm
drops below 1500rpm.
A

Caution!
To avoid severe engine damage.

t>
Always observe theengine rpmbefore down-
shifting toalower gear,soyou donot exceed
the maximum enginerpm.
+
.•
Turn
Signal Indicator
Light

Flashes insynchronism withtheturn signals.
Left arrow -leftturnsignals
Right arrow -right turnsignals

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Ifthe frequency ofthe display becomes notice-
ably faster, checktheoperation ofthe turn sig-
nals.

§D
HighBeam

Indicator light
Lights whenhighbeam orheadlight flasheris
switched on.
The indicator lightgoes outwhen thehigh beams
are switched off.
Controls, Instruments
61

_LCooling System

Temperature gauge(ignition on)
USA: Display in
of

Canada: Displayin°C

Pointer tothe left-
engine cold

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Avoid highengine speeds andheavy engine
loading.
Controls, Instruments
Pointer
inthe middle -
normal operating tem-
perature
The pointer maymove uptothe redarea when en-
gine isheavily loadedandoutside temperature is
high, butshould returnto"normal" whenengine
load isreduced.
Warning light"A"

If
the
coolant temperature
istoo high, thewarn-
ing light
comes on.

Additionally, awarning isdisplayed inthe on-board
computer.

c>
Pull offthe road, turnoffthe engine andallow
to cool.

c>
Check radiator andairpassages infront endof
car forobstructions.

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Check coolant level.
If necessary, addcoolant andhave faultreme-
died atan authorized Porschedealer.

Please observe thechapter
"COOLANT
LEVEL"
ONPAGE 113.
Note

To prevent excessive temperatures, thecooling-
air passages mustnotberestricted bycoverings
(e.g. films, "stone guards").
If

the
coolant level
istoo low, thewarning light

flashes.

Additionally, awarning isdisplayed inthe on-board
computer.

c>
Switch engineoffand allow tocool.

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Add coolant.

c>
Have thecause ofthe fault remedied atan au-
thorized Porschedealer.

Please observe thechapter
"COOLANT
LEVEL"
ONPAGE 113.

/!\
Caution!
Risk ofengine damage.

c>
Ifthe warning lightscome oneven though cool-
ant level iscorrect, donot continue driving.

c>
Have thefault remedied atthe nearest
authorized Porschedealer.
Engine compartment blowerfan
In addition, thiswarning light
flashes
toindicate a
fault inthe
engine compartment blowerfan.

c>
Have thecause ofthe fault remedied atan
authorized Porschedealer.

Engine OilPressure

~ Gauge

With awarmed-up engineandataspeed of3000
rpm, theoilpressure shouldbeapprox. 3.5bar.
If
the oilpressure dropsabruptly andthe
warning lightsinthe instrument panelandin
the on-board computer comeonwhile the
engine isrunning orwhile driving:

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Immediately stopinasuitable place
and switch engine off.
Measures see"Warning light".

Warning light

The warning lightinthe instrument panellightsup
when ignition isswitched onand must goout when
engine isrunning.

If the warning lightsinthe instrument panel
and inthe on-board computer comeonwith
the engine running orwhile driving:

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Immediately stopinasuitable place.

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Switch offthe engine.

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Check whether thereisan obvious oilleak on
or under thecar.

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Ifno oilleak canbedetected:
Measure theoillevel using theon-board com-
puter orthe oildipstick
withtheengine
idling.

Please observe thechapter "ON-BOARD COM-
PUTER (BC)"onPage 67.
Please observe thechapter "ENGINE OillEV-
El" onPage 115.

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Add engine oilifnescessary.
/!\

Caution!
Risk ofengine damage.

I>
Donot continue drivingifthere isan obvious oil
leak.

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Donot continue drivingifthe warning lights
come oneven though oillevel iscorrect.

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Have thefault remedied atthe nearest
authorized Porschedealer.
Controls, Instruments
65

CheckEngine
Warning Light

The warning lightinthe instrument panelcomes
on when theignition isfirst turned onand remains
on briefly asabulb check. Ifthe light does not
come on,have thebulb replaced promptly.
If the warning lightsinthe instrument panelandon-
board computer comeonand remain onwhile
driving, itsuggests:
- apotential enginecontrol problem andthe
need forsystem serviceor
- animproperly fastenedtankcapor
- refuelling withengine running.
Although thevehicle isusually driveable andwill
not require towing, seeyour dealer forservice as
soon aspossible.
Controls, Instruments
A

Caution!
If the Check engine lightinthe instrument
panel isflashing, severecatalytic converter
damage andpower losswillsoon occur.
Prolonged drivingwiththeCheck engine
light oncould cause damage tothe emission
control system. Italso could affect fuelecon-
omy anddriveability.

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Have thefault remedied atthe nearest autho-
rized Porsche dealerimmediately.