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FUEL REQUIREMENTS — GASOLINE
ENGINE
All engines are designed to meet all emissions regula-
tions and provide excellent fuel economy and perfor-
mance when using high quality unleaded gasoline with a
minimum Research Octane Number (RON) of 91.
Light spark knock at low engine speeds is not harmful
to your engine. However, continued heavy spark knock
at high speeds can cause damage and immediate service
is required. Poor quality gasoline can cause problems
such as hard starting, stalling, and hesitations. If you
experience these symptoms, try another brand of
gasoline before considering service for the vehicle.
Over 40 auto manufacturer's world wide have issued
and endorsed consistent gasoline specifications (the
Worldwide Fuel Charter, WWFC) which define fuel
properties necessary to deliver enhanced emissions,
performance, and durability for your vehicle. The
manufacturer recommends the use of gasoline that
meets the WWFC specifications if they are available .
Methanol
(Methyl) is used in a variety of concentrations when
blended with unleaded gasoline. You may find fuels
containing 3% or more methanol along with other
alcohols called cosolvents. Problems that result from
using methanol/gasoline are not the responsibility of
the manufacturer. While MTBE is an oxygenate made
from Methanol, it does not have the negative effects of
Methanol.
Do not use gasolines containing Metha-
nol. Use of these blends may result in
starting and drivability problems and
may damage c ritical fuel system components.
Ethanol
The manufacturer recommends that your vehicle be
operated on fuel containing no more than 10% ethanol.
Purchasing your fuel from a reputable supplier may
reduce the risk of exceeding this 10% limit and/or of
receiving fuel with abnormal properties. It should also
be noted that an increase in fuel consumption should
be expected when using ethanol-blended fuels, due to
358
KNOWING
YOUR
VEHICLE
SAFETY
STARTING
AND
DRIVING
WARNING
LIGHTS
AND
MESSAGES
IN AN
EMERGENCY
SERVICING
AND CARE
TECHNICAL
SPECIFICATIONS
CONTENTS
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