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fill up at busy gas stations where the seasonal
adjustment
is more likely to be made in time.
(D
Note
- Methanol fuels which do not meet these re-
quirements may cause corrosion and dam-
age to plastic and rubber components in the
fuel system.
- Do not use fue ls that fail to meet the speci-
fied criteria in this chapter.
- If you are unable to determine whether or
not a particular fue l blend meets the speci-
fications, ask your service station or its fuel
supplier.
- Do not use fuel for which the contents can-
not be identified.
- Fuel system damage and performance prob-
lems resulting from the use of fuels differ-
ent from those specified are not the respon-
s 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 problems due
to the use of one of these fuel blends, we
recommend that you sw itch to unb lended
fuel.
Gasoline additives
A ma jor concern among many auto manufactur-
ers is carbon deposit build-up caused by the type
of gasoline you use.
Although gasol ine grades differ from one manu-
facture r to another, they have certa in things in
common. All gasoline grades contain substances
that can cause deposits to collect on vita l engine
parts, such as fuel injectors and intake valves. Al-
though most gasoline brands include additives 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-
M
gent Gasoline, please go to the official website
N
j
(www.toptiergas.com).
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Fuel and Refueling
After an extended period of using inadequate
fuels, carbon deposit build-ups can rob your en-
gine of peak performance .
(D
Note
Damage or ma lfunction due to poor fuel qual-
ity is not covered by the Audi New Vehicle
Limited Warranty.
Diesel
fuel
Applies to vehicles: with diesel engine
Always use ULSD (Ultra Low Sulfur Diesel) No. 2.
The ULSD No. 2 meets the ASTM 0975.
Diesel fuel with concentrations
of biodiese l high-
er than 5 % such as Bl 1, B20 or 8100 are strictly
prohibited.
Service stat ion fue l pumps are labeled with the
correct fue l information for easy recognit ion by
the user . If the d iese l fue l pump is not labe led
ask the station operator what fuel is being dis-
pensed before fi lling up your vehicle.
ULSD No. 2 may not be available outside the USA
and Canada . Be sure to check before traveling to
other countries.
ULSD No. 2 can become thicker in very cold tem-
peratures, and this can impa ir the engine's start-
ing and running. Depending on the season, gas
stations provide ULSD No. 2 that flows better in
cold temperatures
so that you can continue oper-
ating your vehicle as usual.
@
Note
- Your vehicle's diesel engine was designed
soley for use with ULSD No. 2. Therefore,
never use gasoline, heating oil, other fuels
or flow improvers. These conta in substances
that will severely damage the fuel system
and the engine . Such damage will not be
covered by your New Vehicle Limited War-
ranty.
- If you put any amount of incorrect fuel in
the fuel tank, do not start the engine under
any circumstances. Immediately contact the
nearest authorized Audi dealer or author-
ized Audi Service Facility for assistance.
211
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