Toyota TUNDRA 2009 Manual page 614

NOTICE
n Notice on fuel quality
l Do not use improper fuels. If improper fuels are used the engine will be
damaged.
Do not use leaded gasoline.
l
Leaded gasoline can cause damage to your vehicle's three-way catalytic
converters causing the emission control system to malfunction.
Gasoline engine: Do not use gasohol other than that stated here.
l
Other gasohol may cause fuel system damage or vehicle performance
problems.
Use of unleaded gasoline with an octane rating lower than 87 may result in
l
engine knocking. Persistent knocking can lead to engine damage and
should be corrected by refueling with higher octane unleaded gasoline.
When use of non-specified fuels (Flex-fuel engine)
n
The use of non-specified fuels will have a negative impact on starting and
driving performance, and will cause damage to the fuel system components.
Therefore, do not add fuels such as the following.
• Fuels containing methanol
• Fuels with more than 85% ethanol
n Fuel-related poor driveability
If after using a different type of fuel, poor driveability is encountered (poor
hot starting, vaporization, engine knocking, etc.), discontinue the use of that
type of fuel.
n When refueling
Take care not to spill fuel.
It can damage your vehicle's paint.
6-1. Specifications
621
6