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Home >> Mazda >> 2014 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Heated Oxygen Sensor (Ho2S) Removal/Installation
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Heated Oxygen Sensor (Ho2S) Removal/Installation

  1. Remove the battery cover.
  2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] ).
  3. Install the SST  to the HO2S.
  4. Remove the HO2S.
  5. Install in the reverse order of removal.

    HO2S tightening torque 

    29-49 N.m {3.0-4.9 kgf.m, 22-35 ft.lbf}

    Fig 1: Heated Oxygen Sensor Characteristics Graph
    G06151095Courtesy of MAZDA MOTORS CORP.