check engine light PORSCHE 911 CARRERA 2005 5.G User Guide

84
Controls, Instruments
Temperature gauge (ignition on) USA: Display in °F
Canada: Display in °C
Pointer to the left – engine cold
fAvoid high engine speeds and heavy engine
loading. Pointer in the middle – normal operating tem-
perature
The pointer may move up to the red area when en-
gine is heavily loaded and outside temperature is
high, but should return to “normal” when engine
load is reduced.
Warning light “A” If the coolant temperature is too high, the warn-
ing light comes on.
Additionally, a warning is displayed in the on-board
computer.
fPull off the road, turn off the engine and allow
to cool.
fCheck radiator and air passages in front end of
car for obstructions.
fCheck coolant level.
If necessary, add coolant and have fault reme-
died at an authorized Porsche dealer.
Please observe the chapter “COOLANT LEVEL”
on Page 179.
Note
To prevent excessive temperatures, the cooling-
air passages must not be restricted by coverings
(e.g. films, “stone guards”). If the coolant level is too low, the warning light
flashes.
Additionally, a warning is displayed in the on-board
computer.
fSwitch engine off and allow to cool.
fAdd coolant.
fHave the cause of the fault remedied at an au-
thorized Porsche dealer.
Please observe the chapter “COOLANT LEVEL”
on Page 179.
Caution!
Risk of engine damage.
fIf the warning lights come on even though cool-
ant level is correct, do not continue driving.
fHave the fault remedied at the nearest authorized Porsche dealer.
Engine compartment blower fan In addition, this warning light flashes to indicate a
fault in the engine compartment blower fan.
fHave the cause of the fault remedied at an
authorized Porsche dealer.
Cooling System

88
Controls, Instruments With the engine warmed up and running at a speed
of 5000 rpm, the engine oil pressure should be
approx. 3.5 bar.If oil pressure drops abruptly and a message
is displayed on the on-board computer when
the engine is running on or when driving:
fStop immediately in a suitable place.
fSwitch off the engine.
fCheck oil level.
Please observe the chapter “OIL DISPLAY AND
MEASUREMENT OF THE ENGINE OIL LEVEL”
on Page 101.
Please observe the chapter “ENGINE OIL
LEVEL” on Page 181.
fAdd engine oil if necessary.
Caution!
Risk of engine damage.
fDo not continue driving if there is an obvious oil
leak.
fDo not continue driving if the warning lights
come on even though oil level is correct.
fHave the fault remedied at the nearest authorized Porsche dealer.If the battery voltage drops abruptly, a warning
message will be displayed by the on-board compu-
ter.
If the warning is displayed by the on-board
computer while the engine is running or while
driving:
fStop the car in a safe place and stop the
engine.
Possible causes
– Defect in the battery charging system.
– Broken drive belt.
Warning!
Risk of an accident and risk of engine dam-
age.
A broken drive belt means there is no power
assistance to the steering (more effort is re-
quired to steer) and coolant pump function
will stop.
fDo not continue driving.
fHave the fault remedied at the nearest author-ized Porsche dealer.
Engine Oil Pressure
Battery

Controls, Instruments
89
The warning light in the instrument panel comes
on when the ignition is first turned on and remains
on briefly as a bulb check. If the light does not
come on, have the bulb replaced promptly.
If the warning lights in the instrument panel and on-
board computer come on and remain on while
driving, it suggests:
– a potential engine control problem and the
need for system service or
– an improperly fastened tank cap or
– refuelling with engine running.
Although the vehicle is usually driveable and will
not require towing, see your dealer for service as
soon as possible.
Caution!
If the Check engine light in the instrument
panel is flashing, severe catalytic converter
damage and power loss will soon occur.
Prolonged driving with the Check engine light
on could cause damage to the emission con-
trol system. It also could affect fuel economy
and driveability.
fHave the fault remedied at the nearest author-ized Porsche dealer immediately. The central warning light on the instrument panel
lights up if there are warning messages in the
INFO menu.
The messages can be called in the on-board
computer INFO menu:
fPlease observe the chapter “INFO WARNING
MESSAGES” on Page 94.
The warning light on the instrument panel lights
up:
– if the handbrake is on,
– if the brake fluid level is low,
– if the brake pads have reached the wear limit,
– if the brake circuit division is defective.
Additionally, a warning is displayed by the on-
board computer.
fPlease observe the chapter “WARNINGS ON
THE INSTRUMENT PANEL AND THE ON-
BOARD COMPUTER” on Page 105.
Check Engine
Warning Light
Central warning light
Brake warning light USA
Brake warning light Canada

Controls, Instruments
105
Warnings on the instrument panel and the on-board computerIf a warning message appears, always refer to the corresponding chapters in the Owner’s Manual.
Warning messages are issued only if all measurement preconditions are met. Therefore, check all fluid levels regularly –
in particular, always check the engine oil level after refuelling.
Instrument
panelOn-board
computerText display on on-board
computerMeaning/measure
Seat belt Driver and passengers must fasten their seat
belts.
Handbrake Handbrake is still on.
Ignition key
not removed
Replace battery
in the ignition keyReplace the remote-control battery.
Ignition lock faulty,
please go to workshopHave the fault remedied at an authorized
Porsche dealer.
Ignition lock faulty,
go to workshop immediatelyHave the fault remedied at an authorized
Porsche dealer.
Relieve steering Relieve the steering lock by moving the steering
wheel to the left or right.
Steering locked The steering wheel lock remains engaged.
Have the fault remedied at an authorized
Porsche dealer.
Lights on

106
Controls, Instruments
Check left/right dipped beam (low
beam)
also applies to:
front side lights, direction indicator,
high beam, fog lights, side indicator
light, brake light, tail light, rear fog
light, reversing light, raised brake
light, side markerThe reported light is faulty. Check bulb.
Have the fault remedied at an authorized
Porsche dealer.
Daytime
driving lights offDaytime driving lights switch off when the engi-
ne is shut off. Switch on lights if necessary.
Headlight beam
adjustment faultyHave the fault remedied at an authorized
Porsche dealer.
Front lid not closed Close luggage compartment lid properly.
Rear lid not closed Close engine compartment lid properly.
Front lid release
faultyLuggage compartment lid release is faulty.
Have the fault remedied at an authorized
Porsche dealer.
Rain sensor faulty Have the fault remedied at an authorized
Porsche dealer.
Top up washer fluid
LIMIT
Cannot be accepted
with vehicle stoppedThe current speed can only b e a c c e p t e d f o r t h e
acoustic warning signal when the vehicle is in
motion.
LIMIT
30Selected speed limit (e.g. 30 mph) for the
acoustic warning signal has been exceeded.
Adjust your speed if necessary.
Instrument
panelOn-board
computerText display on on-board
computerMeaning/measure

Controls, Instruments
107
Fuel gauge war-
ning lightPlease observe range
on remaining fuelRefuel at next opportunity.
Check the oil level Start engine oil level measurement in the
on-board computer.
The vehicle must be horizontal and the ignition
must be switched on.
Oil pressure too low Stop immediately at a suitable place, measure
oil level with the on-board computer and, if ne-
cessary, add engine oil.
Warning light
Temperature gau-
geEngine temperature too high Switch engine off and let it cool.
Check coolant level and, if necessary,
add coolant.
Temperature gau-
ge warning light
flashesCheck coolant level Switch engine off and let it cool.
Check coolant level and, if necessary, add
coolant.
Engine diagnostics – workshop Consult your authorized Porsche dealer.
Reduced engine performance Consult your authorized Porsche dealer.
Temperature gau-
ge warning light
flashesFailure of
engine-compartment blowerConsult your authorized Porsche dealer.
Battery/generator warning Stop at a safe place and switch the engine off.
Do not continue driving.
Have the fault remedied at an authorized
Porsche dealer.
Oil pressure gauge faulty Have the fault remedied at an authorized
Porsche dealer.
Oil level display faulty Have the fault remedied at an authorized
Porsche dealer.Instrument
panelOn-board
computerText display on on-board
computerMeaning/measure

Controls, Instruments
131
Opening luggage compartment lid
Caution!
Risk of damage to luggage compartment lid
or windshield wipers.
fMake sure that the windshield wipers are not
folded out forwards when opening the luggage compartment lid.
fRaise lid slightly and unlatch the safety catch
with the lever (arrow).
Closing luggage compartment lid and
engine compartment lid fLower the lid and close it.
fPush the lid closed with the palm of your hand
in the area of the lock.
Check that the lid has correctly engaged in the
lock.
Warning!
Risk of loss of control or an accident, result-
ing in serious personal injury or death.
fShould you notice at any time while driving that
one of the lids is not secured properly, please
stop immediately in a suitable place and close
it. The front lid may fly up impairing vision.

142
Controls, Instruments
Car Telephone and
Aftermarket Alarms Important legal and safety information
regarding the use of cellular telephones
Some states may prohibit the use of cellular tele-
phones while driving a vehicle. Check the laws and
regulations on the use of cellular telephones in the
areas where you drive.
Danger!
Risk of an accident.
Severe personal injury or death can result in
the event of an accident.
Looking away from the road or turning your
attention away from your driving can cause
an accident and serious or fatal injury.
When using your cellular telephone, you should al-
ways:
fGive full attention to your driving - pull off the
road and park before making or answering a
call if traffic conditions so require; and
fKeep both hands on the steering wheel - use
hands-free operation (if available) - pull off the
road and park before using a hand-held tele-phone. It is essential to observe the instructions of
the telephone manufacturer before putting
the telephone into operation.
Any portable telephone or radio transmitter which
is used in a Porsche must be properly installed in
accordance with the technical requirements of
Porsche.
The transmission power must not exceed
10 W.
The devices must possess a type approval for
your vehicle and have an “e” symbol.
If you should require equipment with transmission
power values greater than 10 W, please consult
your authorized Porsche dealer for this purpose.
He is familiar with the technical requirements for
installing devices of this kind.
The antennas for all radios and telephones with a
transmitting antenna must be externally mounted.
The improper installation of radios or telephones
or use of a radio or telephone with a transmitting
antenna inside the car may cause the warning
lights to come on.
Improper installation of such equipment can cre-
ate a discharged battery or excessive current
draw from added equipment.If aftermarket systems are installed by non-dealer-
ship technicians or outside the selling dealer,
problems may result. Installation of aftermarket
equipment is not covered under the New Car War-
ranty.
fConsult your authorized Porsche dealer about
the installation of non Porsche approved equip-
ment.
Reception quality
The reception quality of your car telephone will
change constantly when you are driving. Interfer-
ence caused by buildings, landscape and weather
is unavoidable. It may become particularly difficult
to hear when using the hands-free function due to
external noise such as engine and wind noise.
Automatic car-wash
fUnscrew external antennas before using an au-
tomatic car-wash.

Maintenance, Car Care
181
Engine Oil Engine oil consumption
It is normal for your engine to consume oil.
The rate of oil consumption depends on the quality
and viscosity of oil, the speed at which the engine
is operated, the climate, road conditions as well
as the amount of dilution and oxidation of the
lubricant.
If the vehicle is used for repeated short trips, and
consumes a normal amount of oil, the engine oil
measurement may not show any drop in the oil
level at all, even after 600 miles (1,000 km) or
more. This is because the oil is gradually becom-
ing diluted with fuel or moisture, making it appear
that the oil level has not changed.
The diluting ingredients evaporate out when the
vehicle is driven at high speeds, as on an express-
way, making it then appear that oil is excessively
consumed after driving at high speeds.
If the conditions you drive your vehicle in are
dusty, humid, or hot, the frequency of the oil
change intervals should be greater. If the vehicle is driven at a high rate of speed,
climatic conditions are warm, and the load is high,
the oil should be checked more frequently, as
driving conditions will determine the rate of oil
consumption.
– The engine in your vehicle depends on oil to
lubricate and cool all of its moving parts.
Therefore, the engine oil should be checked
regularly and kept at the required level.
– Make it a habit to have the engine oil level
checked at every fuel filling.
– The oil pressure warning light is not an oil level
indicator.
The oil pressure warning light indicates serious
engine damage may be occuring when lit, if en-
gine rpm is above idle speed.
Engine Oil Level fPlease observe the chapter “EXERCISE EXTRE-
ME CAUTION WHEN WORKING ON YOUR VE-
HICLE” on Page 178.
fRegularly check the oil level using the on-board
computer after the vehicle is refuelled.
Please observe the chapter “OIL DISPLAY AND
MEASUREMENT OF THE ENGINE OIL LEVEL”
on Page 101.
The difference between the minimum and maxi-
mum marks on the segment display is approx.
1.2 liters.
Each segment of the display corresponds to ap-
prox. 0.4 liter.
f f f

188
Maintenance, Car Care
Fuel
Warning!
Fuel is highly flammable and harmful to
health.
fFire, open flame and smoking are prohibited
when handling fuel.
fAvoid contact with skin or clothing.
fDo not inhale fuel vapors.
To prevent damage to the emission control
system and engine:
fNever drive the tank completely out of fuel.
fAvoid high cornering speeds after the warning lights have come on.
fPlease observe the chapter “EMISSION CONT-
ROL SYSTEM” on Page 191.
Please observe the chapter “FUEL ECONOMY”
on Page 187.
Please observe the chapter “LEVEL GAUGE”
on Page 86.
Check engine warning light
If the warning lights in the instrument panel and on-
board computer come on and remain on while
driving, it suggests:
– an improperly fastened tank cap or
– refuelling with engine running.
Opening the filler flap The filler opening is under the filler flap in the front
right fender.
fWith the vehicle unlocked, press on the front
part of the filler flap (arrow) to open the flap.
The filler flap is centrally locked along with the oth-
er locks. If there is a defect in the automatic unlocking
system:
fOpen the passenger door.
fPull the ring in the right-hand door aperture
(arrow).