2010 Lexus ES 350 Owners Manual - Page 552

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6-1. Specifications

NOTICE

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Notice on fuel quality

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Do not use improper fuels. If improper fuels are used the engine will be damaged.

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Do not use leaded gasoline.

Leaded gasoline can cause damage to your vehicle’s three-way catalytic convert-

ers causing the emission control system to malfunction.

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Do not use gasohol other than that stated here.

Other gasohol may cause fuel system damage or vehicle performance problems.

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Use of unleaded gasoline with an octane rating lower than 91 may result in engine

knocking. Persistent knocking can lead to engine damage and should be cor-

rected by refueling with higher octane unleaded gasoline.

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Fuel-related poor driveability

If after using a different type of fuel, poor driveability is encountered (poor hot start-

ing, vaporization, engine knocking, etc.), discontinue the use of that type of fuel.

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When refueling with gasohol

Take care not to spill gasohol. It can damage your vehicle's paint.