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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> External Pages >> Different car >> Section 571 (Engine Control System (MZI-3.7)) >> Heated Oxygen Sensor (Ho2S) Removal/Installation [MZI-3.7] >> HO2S (LH) Removal/Installation

HO2S (LH) Removal/Installation

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  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  .
    NOTE:
    • Apply a light coat of anti-seize lubricant to the threads of the HO2S.
  4. Install in the reverse order of removal
    Fig 1: Removing/Installing HO2S (LH) Using SST With Torque Specifications
    G06205280Courtesy of MAZDA MOTORS CORP.
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