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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System [MZI 3.7 V6]) >> Heated Oxygen Sensor (Ho2S) Removal/Installation >> HO2S (LH) Removal/Installation

HO2S (LH) Removal/Installation

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  1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI 3.7 V6] .)
  2. Disconnect the HO2S (LH) connector.
    NOTE:
    • If necessary, lubricate the HO2S (LH) with Penetrating and Lock Lubricant loosen to aid in removal.
  3. Remove the HO2S (LH) using the SST  .
    Fig 1: HO2S (LH) SST Removal Tool With Torque Specifications
    G08140821
    NOTE:
    • Apply a light coat of anti-seize lubricant to the threads of the HO2S.
  4. Install in the reverse order of removal.