User Manual - Page 528

For LE.

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526
SIENNA_OM_OM08035U_(U)
8-1. Specifications
Fuel information
Gasoline quality
In very few cases, driveability problems may be caused by the brand of gaso-
line you are using. If driveability problems persist, try changing the brand of
gasoline. If this does not correct the problem, consult your Toyota dealer.
Recommendation of the use of gasoline containing detergent additives
Toyota recommends the use of gasoline that contains detergent additives to
avoid build-up of engine deposits.
All gasoline sold in the U.S.A. contains minimum detergent additives to
clean and/or keep clean intake systems, EPAs lowest additives concentra-
tion program.
Toyota strongly recommends the use of Top Tier Detergent Gasoline. For
more information on Top Tier Detergent Gasoline and a list of marketers,
please go to the official website www.toptiergas.com.
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher.
Use of unleaded gasoline with an octane rating lower than 87
may result in engine knocking. Persistent knocking can lead to
engine damage.
At minimum, the gasoline you use should meet the specifications of
ASTM D4814 in the U.S.A..
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