Buick 1995 Century Manuel du propriétaire Page 207

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What about gasoline with blending materials that
contain oxygen (oxygenates), such
as
MTBE or alcohol?
MTBE
is
“methyl tertiary-butyl ether.”
Fuel
that is
no
more than
15%
MTBE is fine for your vehicle.
Ethanol
is
ethyl or grain alcohol. Properly-blended fuel
that is no more than 10%
ethanoE
is fine for your
vehicle.
Meth.ano1
is methyl or wood alcohol.
Fuel that is more than
5%
methanol is bad for
your vehicle. Don’t use it. It can corrode metal
parts in your fuel system and also damage plastic
and rubber parts. That damage wouldn’t be
~
covered under your warranty. And even at
5%
or
~
less, there must be “cosolvents” and corrosion
preventers in this fuel to help avoid these
problems.
Gasolines
for
Cleaner
Air
Your use of gasoline with deposit control additives will
help prevent deposits from forrning
in
your engine and
fuel system. That helps keep your engine in tune and
your emission control system working properly. It’s
good for your vehicle, and you’ll be doing your part for
cleaner air.
Many gasolines are now blended with oxygenates.
General Motors recommends that you use gasolines with
these blending materials, such
as
MTBE and ethanol. By
doing
so,
you
can help clean the ah-, especially
in
those
parts
of
the country that have high carbon monoxide
levels.
In
addition, some gasoline suppliers are now producing
reformulated gasolines. These gasolines are specially
designed to reduce vehicle emissions. General Motors
recommends that you use reformulated gasoline. By
doing
so,
you can help clean the air, especially
in
those
parts
of
the
country that have high ozone levels.
You should
ask
your service station operators if their
gasolines contain deposit control additives and
oxygenates, and if they have been reformulated to
reduce vehicle emissions.
6-3
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