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609
9-1. Specifications
9
Vehicle specifications
TUNDRA_OM_USA_OM0C017U_19MY
Fuel information
■ Identifying flex-fuel vehicles
Gasoline engine (P. 600)
You must only use unleaded gasoline.
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.
Flex-fuel engine (P. 600)
You must only use unleaded gasoline, E85, or a blend of the two
fuels.
Unleaded gasoline (Octane rating 87 [Research Octane Number
91] or higher), E85, or a blend of two fuels is required for opti-
mum engine performance.
The use of unleaded gasoline with an octane rating lower than
87 may result in engine knocking. Persistent knocking can lead
to engine damage.
The use of fuel with an ethanol concentration in excess of 85%
will have a negative impact on driving performance and can
cause damage to the fuel system components.
At minimum, the gasoline you use should meet the specifications of
ASTM D4814 in the U.S.A.
At minimum, the E85 you use should meet the specifications of
ASTM D5798 in the U.S.A.
Flex-fuel vehicles can be identified by the
fuel tank cap, which is marked “FLEX-
FUEL E85/GASOLINE”.
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