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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (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. Remove the intake manifold. <Ref. to REMOVAL , Intake Manifold.>
  4. Remove the secondary air combination valve RH. <Ref. to REMOVAL , Secondary Air Combination Valve.>
  5. Remove the knock sensor from cylinder block.
Fig 1: Locating Cylinder Block Knock Sensor
G08538762Courtesy of SUBARU OF AMERICA, INC.