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6-1. Specifications
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Identifying flex-fuel vehicles
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Gasoline quality
In very few cases, driveability problems may be caused by the brand of gas-
oline you are using. If driveability problems persist, try changing the brand of
gasoline. If this does not correct the problem, consult your Toyota dealer.
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Gasoline quality standards
●
Automotive manufacturers in the U.S.A., Europe and Japan have devel-
oped a 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 emis-
sion levels. In the U.S., category 4 has been adopted.
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The WWFC improves air quality by lowering emissions in vehicle fleets,
and improves customer satisfaction through better performance.
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E85 fuel (Flex-fuel engine)
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E85 fuel is a blend of 85% ethanol and 15% gasoline. However, E85
does not necessarily contain 85% ethanol. For example, in cold climates
the ethanol content of E85 may be reduced during the winter months to
maintain cold weather starting performance.
●
E85 has less energy per gallon than gasoline, so you will need to fill your
fuel tank more frequently when using E85.
●
The number of fuel stations that sell E85 fuel is limited. For more infor-
mation about fueling stations, please refer to the U.S. Department of
Energy Web site.
http://www.afdc.energy.gov/afdc/locator/stations/
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Flex-fuel vehicles can be identified by the
fuel tank cap, which is marked "FLEX-
FUEL E85/GASOLINE".
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