Independent Restoration Specialists

Why Does FJ Cruiser Require Premium Fuel?

Why Does FJ Cruiser Require Premium Fuel?

The Toyota FJ Cruiser, like many other vehicles, is designed to operate optimally with a certain octane rating of fuel. Premium fuel typically has a higher octane rating compared to regular fuel. Octane rating refers to the fuel’s resistance to pre-ignition, also known as knocking or pinging, which can occur under high compression or high-temperature conditions in the engine.

The FJ Cruiser’s engine may have a higher compression ratio or may be tuned for performance, requiring fuel with a higher octane rating to prevent knocking and ensure smooth and efficient operation. Using lower-octane fuel than recommended can potentially lead to engine knocking, reduced performance, and increased fuel consumption.

While using premium fuel may result in slightly higher fuel costs, it helps maintain the engine’s performance and efficiency, prolonging the life of the vehicle. Refer to the owner’s manual or consult with a certified mechanic to understand the specific fuel requirements of your vehicle and ensure proper maintenance.

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