2015 AUDI A3 fuel pump

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Page 208 of 288

AUDI A3 2015 Owners Manual 206 Checking and Filling
Checking and Filling
Gasoline
Fuel supply
Applies to vehicles: with gasoline engine
Using the right fuel helps keep the environ
ment clean and preven

206 Checking and Filling
Checking and Filling
Gasoline
Fuel supply
Applies to vehicles: with gasoline engine
Using the right fuel helps keep the environ
ment clean and prevents engine damage .
Fuel recommendation
The fuel recommended for your vehicle is un
leaded premium
grade gasoline . Audi recom
mends using TOP TIER Detergent Gasoline
with a minimum octane rating of91 AKI (95
RON) . For more information on TOP TIER De
tergent Gasol ine, please go to the official
website (www .toptiergas.com).
The recommended gasoline octane rating for
your engine can also be found on a label locat
ed on the ins ide of the fuel filler flap. This rat
ing may be specified as AKI or RON .
Your vehicle may also be operated using un
leaded regular gasoline with a minimum oc
tane rating of 87 AKI/91 RON . However, using
87 AKI/91 RON octane fuel will slightly re
duce engine performance.
Use unleaded gasoline only. Unleaded gaso
line is available throughout the USA, Canada,
and in most European countries. We recom
mend that you do not take your vehicle to
areas or countries where unleaded gasoline
may not be available.
For more information on refueling your vehi
cle, see~
page 207.
Octane rating
Octane rating ind icates a gasoline's ability to
res ist engine damaging "knock" caused by
premature ign ition and detonation . Therefore,
buying the correct grade of gasoline is very
important to help prevent possible engine
damage and a loss of engine performance.
Gasoline most commonly used in the United
States and Canada has the following octane
r atings that can usually be found on the filler
pump : - Premium Grade: 91
-96 AKI
- Regular Grade: 87 -90 AKI
Explanation of the abbreviations:
AKI= Anti Knock Index= (R+M)/2 = (RON
+MON)/2
RON= Research Octane Number
MON = Motor Octane Number .
@ Note
-Do not use any fuel w ith octane ratings
lower than 87 AKI or 91 RON otherwise
expensive engine damage w ill occur.
- Do
not use leaded gasoline. The use of
leaded gasoline will severely damage
your vehicle's catalytic converter and its
ability to control exhaust emissions.
Blended gasoline
Applies to vehicles: with gasoline engine
Use of gasoline containing alcohol or
MTBE (methyl tertiary butyl ether)
You may use unleaded gasoline blended with
alcohol or MTBE (commonly referred to as
oxygenates) if the blended mixture meets the
following criteria:
Blend of gasoline methanol (wood alcohol or
methyl alcohol)
-Anti-knock index must be 87 AK I or higher.
- Blend must contain no more than 3% meth-
anol.
- Blend must contain more than 2% co-sol-
vents.
Blend of gasoline and ethanol (grain alcohol
or ethyl alcohol)
-Anti-knock index must be 87 AKI or higher.
- Blend must not contain more than 10%
ethanol.
Blend of gasoline and MTBE
-Anti-knoc k index must be 87 AK I or higher.
- Blend must contain not more than 15%
MTBE.
Seasonally adjusted gasoline

Page 210 of 288

AUDI A3 2015 Owners Manual 208 Checking and Filling
snow blower, etc., be very careful and al
ways observe local and state laws regard
ing the use, transportation and storage of
such fuel containers . Make c

208 Checking and Filling
snow blower, etc., be very careful and al
ways observe local and state laws regard
ing the use, transportation and storage of
such fuel containers . Make certain the con
tainer meets industry standards (ANSI/
ASTM F852 -86) .
(D Note
Never drive your vehicle until the fuel tank
is completely empty . The irregular supply
of fuel can cause misfiring. Gasoline could
enter the exhaust system and damage the
catalytic converter.
Fueling procedure
Fig. 144 Rig ht rear side of the vehicle: opening the
fue l filler door
Fig. 145 Fu el filler door w ith atta ched fuel cap
The fuel filler door is unlocked or locked by
the central locking system.
Opening the fuel filler door
.,. Press the left side of the fuel filler door to
open it -arrow-
c::> fig . 144 .
• Unscrew the tank cap counterclockwise.
• Place the cap from above on the open fuel
filler door
c::> fig . 145. Closing the fuel cap
.,.
Turn the fuel cap clockwise until you hear it
lock.
.,. Close fuel filler door until it latches.
Once the pump nozzle switches off , the fuel
tank is "full". Do not fill the tank more. Other
wise the expansion space in the tank will be
filled.
The correct fuel type for your vehicle can be
found on a label located on the inside of the
fuel filler door. Additional information on fuel
c::>page206.
The fuel tank capacity of your vehicle is in the
Technical Data c::> page 266.
To avoid fuel spilling or evaporating from the
fuel tank always close fuel filler cap properly
and completely. An improperly closed fuel fill
er cap may also cause the MIL lamp
c::> page 29
to come on.
A WARNING
Improper refueling or handling of fuel can
cause fire, explosion and severe burns.
- Fuel is highly flammable and can cause
severe burns and other injuries.
- Failure to shut the engine off while refu
eling and/or to insert the pump nozzle
fully into the fuel filler neck could cause
fuel to spray out of filler neck or to
over
flow. Fuel spray and overflowing fuel can
cause a fire .
- Never use a cellular telephone while re
fueling. The electromagnetic radiation can cause sparks that can ignite fuel va
pors and cause a fire .
- Never get back into your vehicle while re
fueling . If in exceptional circumstances
you must get back in your vehicle while
refueling, make certain that you close
the door and touch metal to discharge
static electricity before touching the fill
er nozzle again. Static electricity can
cause sparks that can ignite fuel vapors released during refueling .

Page 259 of 288

AUDI A3 2015 Owners Manual No. Equ ipment Ampere
F49 Starter, clutch sensor
5
FS3 Rear window defogger 30
The power seats* are protected v ia
circ uit
br ea ker s
that automatically sw itch on after a
f

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