FUEL RECOMMENDATION
INFINITI recommends the use of unleaded
premium gasoline with an octane rating of
at least 93 AKI (Anti-Knock Index) number
(Research octane number 98).
If unleaded premium gasoline is not avail-
able, you may use unleaded regular gaso-
line with an octane rating of at least 87
AKI number (Research octane number 91),
but you may notice a decrease in perfor-
mance.
CAUTION
O
Using a fuel other than that specified
could adversely affect the emission con-
trol system, and may also affect war-
ranty coverage.
O
Under no circumstances should a leaded
gasoline be used, because this will dam-
age the three-way catalyst.
O
Do not use E-85 fuel in your vehicle. Your
vehicle is not designed to run on E-85
fuel. Using E-85 fuel can damage the fuel
system components and is not covered
by the INFINITI vehicle limited warranty.
Gasoline specifications
INFINITI recommends using gasoline that
meets the World-Wide Fuel Charter
(WWFC) specifications where it is avail-
able. Many of the automobile manufactur-
ers developed this specification to im-
prove emission system and vehicle perfor-
mance. Ask your service station manager
if the gasoline meets the World-Wide Fuel
Charter (WWFC) specifications.
Reformulated gasoline
Some fuel suppliers are now producing
reformulated gasolines. These gasolines
are specially designed to reduce vehicle
emissions. INFINITI supports efforts to-
wards cleaner air and suggests that you
use reformulated gasoline when avail-
able.
Gasoline containing oxygenates
Some fuel suppliers sell gasoline contain-
ing oxygenates such as ethanol, MTBE
and methanol with or without advertising
their presence. INFINITI does not recom-
mend the use of fuels of which the oxy-
genate content and the fuel compatibility
for your INFINITI cannot be readily deter-
mined. If in doubt, ask your service sta-
tion manager.
If you use oxygenate-blend gasoline,
please take the following precautions as
the usage of such fuels may cause vehicle
performance problems and/or fuel system
damage.
O
The fuel should be unleaded and have
an octane rating no lower than that rec-
ommended for unleaded gasoline.
O
If an oxygenate-blend, excepting a
methanol blend, is used, it should con-
tain no more than 10% oxygenate.
(MTBE may, however, be added up to
15%.)
O
If a methanol blend is used, it should
contain no more than 5% methanol (me-
thyl alcohol, wood alcohol). It should
also contain a suitable amount of appro-
priate cosolvents and corrosion inhibi-
tors. If not properly formulated with ap-
propriate cosolvents and corrosion in-
hibitors, such methanol blends may
cause fuel system damage and/or ve-
hicle performance problems. At this
time, sufficient data is not available to
ensure that all methanol blends are suit-
able for use in INFINITI vehicles.
If any undesirable driveability problems
such as engine stalling or hard hot
starting are experienced after using
Technical and consumer information
9-3
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06.7.27/V36-D
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