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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3 With TC] >> Knock Sensor (KS) Removal/Installation

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 [L3 WITH TC] ).
  2. Disconnect the negative battery cable.
  3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).
  4. Disconnect the KS connector.
  5. Remove the KS.
  6. Install in the reverse order of removal.
    Fig 1: Lnock Sensor And Bolt With Torque Specifications
    G07868488Courtesy of MAZDA MOTORS CORP.
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