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In an American style: The 2003 Toyota Highlander evaporative canister is positioned above the rear of the muffler. Over time, vehicle components will wear out and lose effectiveness. It is recommended to replace the fuel filter approximately every 30,000 miles to prevent performance issues. Ensuring optimal fuel combustion is essential to achieving maximum fuel efficiency. Maintaining a well-maintained gas tank is crucial to avoid potential problems such as a malfunctioning control valve, loose gas tank, or a stuck gas cap that can be challenging to resolve. It is important to address any gas leaks promptly.
The 2003 Toyota Highlander's evap canister, also called the purge valve, is situated above the back of the muffler.