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Home >> Hyundai >> 2011 >> Accent GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0328: Knock Sensor 1 Circuit High Input >> Inspection/Repair >> Component Inspection

Component Inspection

  1. Check Knock sensor
    1. Substitute with a known - good Knock sensor and check for proper operation.
    2. Is the signal normal?

      YES 

      1. Replace Knock sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

      NO 

      1. Substitute with a known - good ECM and check for proper operation.

        If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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