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Home >> Volvo >> 1990 >> 240 Base, 4D Sedan, Automatic, AW70L >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Check Engine Light

Check Engine Light

All models are equipped with a CHECK ENGINE light located on instrument panel. Light will illuminate when ignition switch is turned to ON position (bulb check) and when systems related to emission controls are malfunctioning during normal operation with engine running. For additional information, see TESTS W/CODES article.