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Fuel supply
and filling
your fuel tank
Blend of gasoline and MTBE
• Anti-knock index must be 87 AKI or higher.
• Blend must contain not more than 15% MTBE .
Seasonally adjusted gasoline
Many gasoline grades are blended to perform especia lly well for
winter or summer driving. During seasonal change-over, we suggest
that you fill up at busy gas stat ions where the seasonal adjustment is
more likely to be made in time .
0
Note
• Methano l fuels which do not meet these requirements may cause
corrosion and damage to plastic and rubber components in the fue l
system .
• Do not use fuels that fail to meet the specified criteria in this
chapter .
• If you are unab le to determine whether or not a particu lar fuel
blend meets the spec ifications, ask your service station or its fuel
supplier.
• 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 responsi-
bility of Audi and are not covered under the New Vehicle or the Emis-
sion Control System Warranties.
• If you experience a loss of fuel economy or driveability and perfor-
mance problems due to the use of one of these fuel blends, we
recommend that you switch to unblended fuel. •
Gasoline
additives
A major concern among many auto manufacturers 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 grades 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 eng ine and fuel systems clean, they
are not equally effective.
Audi recommends using TOP TIER Detergent Gasoline. For more
information on TOP TIER Detergent Gasoline, please go to the official
webs ite (www.toptiergas.com).
After an extended period of using inadequate fuels, built-up carbon
deposits can rob your engine of peak performance.
0
Note
Damage or malfunction due to poor fue l quality is not covered by the
Audi New Vehicle Limited Warranty. •
Fuel tank
Fuel filler
neck
The fuel filler neck is located on the right rear side panel behind the
fuel filler flap .
If the unlocking system shou ld fail, you can still open the flap manu-
ally - for detailed instructions see=>
page
201 .
You can find the fue l tank capacity of your vehicle in
Technical Data
=:> page
274.
The label on the inside of the fuel filler flap tells you the correct fuel
for your vehicle. For more information about fuel specifications, see
=>
page
197 .
Your vehicle fuel tank has an on-board refue lling vapor recovery
system. This feature helps to prevent fuel vapors from escaping from
the tank and polluting the environment while you refuel your vehicle . ..,_
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