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Home >> Kia >> 2005 >> Optima EX, 2.4 6 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.4L (A/T) >> MFI Control System >> Knock Sensor >> Troubleshooting >> Troubleshooting Hints
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Troubleshooting Hints

  1. The MIL is ON or the DTC is displayed on the HI-SCAN (PRO) under the following conditions:
    1. When the knock sensor signal is not detected, even though the engine is in an overload condition.
    2. When the knock sensor signal is abnormally low.
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