Toyota Highlander Service Manual: Diagnostics

Preparation

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Engine control system

PREPARATION Recomended Tools Equipment ...

More about Toyota Highlander:

Fuel information
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 s ...