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If the engine warning light on a 2002 Toyota Highlander is illuminated, it indicates a potential issue with the engine or its components. Common causes could include problems with the oxygen sensor, catalytic converter, or ignition system. It's advisable to check for diagnostic trouble codes using an OBD-II scanner to identify the specific issue. Ignoring the warning could lead to more significant engine problems, so it's best to have it inspected by a qualified mechanic.

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∙ 1y ago

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