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Home >> Kia >> 2005 >> Optima EX, 2.7 8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.7L >> MFI Control System >> Description >> Misfire Monitoring >> Mil Illumination

Mil Illumination

The MIL is illuminated when a misfire is detected which can cause the damage of catalyst or exhaust emission higher than 1.5 times certification standard (I/M failure). The MIL flashes while a catalyst damaging misfire is being detected.