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Home >> Subaru >> 1991 >> XT Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Self-Diagnostics >> Check Engine Light

Check Engine Light

All vehicles are equipped with a CHECK ENGINE light on instrument panel. Light illuminates when ignition switch is turned to ON position (bulb check) and when system malfunctions occur. For additional information, see TESTS W/CODES article in the ENGINE PERFORMANCE Section.