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440GLT emisssion control light 400

Does anyone know what causes the emission control light (green triangle) to come on ? It's accompanied by an annoying part throttle misfire on my '94 440GLT - 2 litre.








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    440GLT emisssion control light 400

    If I recall, that light is for the Oxygen (O2) sensor going out.
    --
    1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.







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