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Home >> Mazda >> 2012 >> 3 Mazdaspeed, 2.3L Eng VIN 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [MZR 2.3 DISI Turbo] >> Knock Sensor (KS) Removal/Installation
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Knock Sensor (KS) Removal/Installation

CAUTION:
  • Be careful not to impact the sensor.
  • Verify that there is no debris between the sensor and the cylinder block before installing.
  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)
  2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)
  3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  4. Disconnect the KS connector.
  5. Remove the KS.
    Fig 1: Knock Sensor And Bolt With Torque Specifications
    G08155479
  6. Install in the reverse order of removal.