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Fuel
Use regular unleaded gasoline rated at
87 octane or higher. It should meet
specifications ASTM D4814
in
the U.S.
and CGSB
3.5-92
in
Canada. These fuels
should have
the
proper additives,
so
you
should not have to add anything to
the
fuel.
In the
U.S.
and Canada, it’s easy to be
sure you get the right kind of gasoline
(unleaded). You’ll see “UNLEADED”
right on the pump. And only unleaded
nozzles will
fit
into your vehicle’s filler
neck.
Be sure the posted octane is at least 87. If
the
octane is less than 87, you may get a
heavy knocking noise
when
you drive. If
it’s bad enough,
it
can damage your engine.
If you’re using
fuel
rated at 87 octane or
higher and you still hear heavy knocking,
your engine needs service. But don’t
worry
if
you hear a little pinging noise
when you’re accelerating or driving up a
hill. That’s normal, and you don’t have to
buy a higher octane fuel to get rid of
pinging. It’s
the
heavy, constant knock
that means you have a problem.
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% ethanol is fine for your vehicle.
Methanol is methyl or wood alcohol.
NOTICE:
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.
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