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Home >> Subaru >> 2006 >> Impreza WRX STi >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (STI) >> Knock Sensor >> Removal
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Knock Sensor: Removal

  1. Disconnect the ground cable from battery.
  2. Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
  3. Disconnect the knock sensor connector.
    Fig 1: Identifying Knock Sensor Connector
    G04999384
  4. Remove the knock sensor from the cylinder block.
    Fig 2: Identifying Knock Sensor
    G04999385
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