Fuel Information - Lexus LS460 Owner's Manual

Fuel information

You must only use unleaded gasoline.
Select premium unleaded gasoline with an octane rating of 91
(Research Octane Number 96) or higher required for optimum engine
performance and fuel economy.
If the octane rating is less than 91, damage to the engine may occur and
may void the vehicle warranty.
At minimum, the gasoline you use should meet the specifications of
ASTM D4814 in the U.S.A.
Gasoline quality
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In very few cases, driveability problems may be caused by the brand of gasoline you
are using. If driveability problems persist, try changing the brand of gasoline. If this
does not correct the problem, consult your Lexus dealer.
Gasoline quality standards
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Automotive manufacturers in the U.S.A., Europe and Japan have developed a
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specification for fuel quality called the World-Wide Fuel Charter (WWFC), which
is expected to be applied worldwide.
The WWFC consists of four categories that are based on required emission levels.
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In the U.S., category 4 has been adopted.
The WWFC improves air quality by lowering emissions in vehicle fleets, and
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improves customer satisfaction through better performance.
LS460/LS460L_U (OM50G04U)
8-1. Specifications
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