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Fuel
and
Refueling
Gasoline additives
A major concern among many auto manufactur-
ers is
carbon
deposit build-up ca used by
the
type
of gasoline you use
.
Although gasoline grades d iffer from one manu-
facturer to another, they have
certain
t
hings in
common. All gasoline grades contain
substances
that can cause deposits to collect on
vital
engine
parts, such as
fue
l
injectors and
intake
valves
.
Al-
though most gasoline brands
include
addit ives to
keep engine and fuel systems clean, they are not
equally effective.
Audi recommends using TOP
TIER Detergent
Gas-
oline.
For
more information on TOP
TIER
Deter-
gent Gasoline, please go to the official website
(www.toptiergas.com).
After an extended period of using
inadequate
fue ls, built-up carbon
depos
its
can rob your en-
g ine of peak performance.
CD
Note
-
Damage
or
malfunction
due
to
poor fuel
quality
is not
covered
by
the
Audi New Vehi-
cle Limited Warranty
.
-
Do not add aftermarket
fuel
additive
prod-
ucts
to yo
ur
fuel tank.
Refueling
Fuel filler neck
The fuel filler neck is located on the right rear
side panel behind the fuel f iller flap
.
If the power locking system should fail, you can
still open the flap manually -
for
detailed instruc-
tions see
c>
page
190
.
You
can
find the fuel tank capacity of your vehicle
in <=>page 242
.
The
label
on the inside of the fuel filler flap tells
you the correct fue
l
for your vehicle. For more in-
formation about fuel specifications
,
see
<=> page
186
.
Your veh icle fuel tank has an on-board refuelling
vapor
recovery
system
.
This feature he lps to pre-
vent fuel vapors
from
escaping from the tank and
188
po lluting
the
environment whi
le
you
refuel
your
veh icle. In order to fill the tank proper ly while
protecting the env ironment, please follow th is
refueling
procedure carefully.
A
WARNING
Under normal
operating
conditions, never car-
ry additional fuel containers in your car. Gas
can isters and other containers used
to
trans-
port fue
l
can be dangerous. Such containers,
full or
empty,
may
leak
and could cause a
fi re
in
a
col
lision.
If you must
transport fuel
to
use
for
your lawn mower
,
snow blower
,
etc.,
be very careful and always observe local
and
state laws
regarding
the
use,
transportation
and storage of such fuel containers.
Make
cer-
tain the container meets industry standards
(ANSI/ASTM
F852 - 86)
.
CD
Note
Never
drive your vehicle until the fuel tank is
complete ly
empty.
The
irregular
supply of
fuel can cause misfiring. Gasoline could enter
the exhaust system and damage the catalytic
converte
r.
Refuelling
Fig. 154 Right
rear
vehicle
side
:
Opening
the
fuel
filler flap
Fig. 155
Fuel
filler
flap
with
att ached fuel
cap
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