Pr
otecting Y
our Mazda
4-2
Fuel Requirements
Vehicles with catalytic converters must
use ONLY UNLEADED FUEL, which
will reduce exhaust emissions and keep
spark plug fouling to a minimum.
If your vehicle is a flexible fuel vehicle
(FFV), use only UNLEADED FUEL
and ETHANOL (E-85). The use of
leaded fuel and methanol is prohibited
by law and could damage your vehicle.
Do not use fuel containing methanol.
It
can damage critical fuel systems com
-
ponents.
Your vehicle was not designed to use
fuel
or fuel additives with metallic
com
-
pounds, including manganese-based
compounds containing MMT.
Repairs to correct the effects of using a
fuel for which your vehicle was not
designed may not be covered by your
warranty.
Your Mazda will perform best with
regular unleaded fuel having an octane
rating (anti-knock index) of at least 87
[(R+M)/2 method].
Fuel with a lower rating could cause the
emission
c
ontro
l s
yste
m t
o l
os
e e
ffective-
ness.
I
t c
oul
d a
ls
o c
aus
e e
ngin
e k
nocking
and serious engine damage.
U.S. federal law requires that octane
ratings be posted on gasoline station
pumps.
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