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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 >> Knock Sensor >> Troubleshooting >> Troubleshooting Hints

Troubleshooting Hints

NOTE: The MIL is ON or the DTC is displayed on the HI-SCAN (PRO) under the following condition:
  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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