216 Fuel supply and filling your fuel tank
- Blend must contain not more than 1S%
MTBE.
Seasonally adjusted gasoline
Many gasoline grades are blended to perform
espec ially we ll for winter or summer driv ing .
During seasonal change-over, we suggest that
you fill up at busy gas stat ion s where the sea-
sonal adjustment is more likely to be made in
time.
(CT) Note
- Methanol fuels which do not meet these
requirements may cause corrosion and
damage to plastic and rubber compo-
nents in the fuel system .
- Do not use fuels that fai l to meet the
specified criteria in this chapter.
- If you are unable to determine whether
or not a particular fue l blend meets the
specifications, ask your service station or
its fuel sup plier.
- Do not use fuel for which the contents
cannot be identified.
- Fuel system damage and performance
problems resulting from the use of fuels
different from those specified are not
the respons ibility of Audi and are not
covered under the New Vehicle or the
Emission Control System Warranties.
- If you experience a loss of fuel economy
or driveability and performance prob-
lems due to the use of one of these fuel
blends, we recommend that you sw itch
to unblended fuel.
Gasoline additives
A major concern among many auto manufac -
turers is carbon deposit build- up caused by
the type of gasoline you use.
Although gasoline grades differ from one
manufacturer to another , they have certain
things in common. All gaso line g rades contain
substances that can cause deposits to collect
on vital engine parts, such as fuel injectors
and intake valves. Although most gasoline
brands include additives to keep engine and
fuel systems clean, they a re not equally effec-
tive .
Audi recommends using TOP TIER Detergent
Gasoline. For more information on TOP TIER
Detergent Gasoline, please go to the official
website (www.toptiergas.com).
After an extended period of using inadequate
fuels, carbon deposit build-ups can rob your
engine of peak performance.
(D Note
Damage or ma lf unct ion due to poor fuel
quality is not covered by the Audi New Ve-
hicle Limited Warranty.
Diesel fuel
Applies to vehicles: with diesel engine
Always use ULSD (Ultra Low Sulfur Diesel) sul-
fur content 15 ppm or less.
The ULSD (Ultra Low Sulfur Diesel) meets the
ASTM-D-97S (grade 2).
Diesel fuel with a higher concentration than
ULSD-Diesel No. 2 ASTM 0975 and Bio-die-
sel with a higher concentration than S
% like
B11, B20 or B100 are strictly prohibited.
Serv ice stat ion fue l pumps a re labeled with
the correct fuel information fo r easy recogn i-
t ion by the user. If the diesel fuel pump is not
labeled ask the station operator what fue l is
being dispensed before filling up your vehicle.
Service stat ions offering Diesel fue l are gener-
ally located on truck routes or major high-
ways. Directories of Diesel fuel stations are
usually available at Diesel fuel stations.
Some states in the USA req uire permits to
purchase Diesel fuel. Check with your State
Motor Vehicle Department.
Diesel fuel may not be ava ilable outside the
USA and Canada. Be sure to check before trav -
eling to other countries . .,..
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