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HOMESERVICE MANUALSHONDA2009S2000 BASEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISPGM-FI SYSTEMSECONDARY HO2S REPLACEMENT
2009 Honda S2000 Base

Secondary HO2S Replacement

2009 Honda S2000 BaseSECTION Secondary HO2S Replacement

Special Tools Required 

O2 sensor wrench, Snap-on YA8875 or SWR2, or equivalent, commercially available

  1. Disconnect the secondary HO2S (Sensor 2) 4P connector (A).
    Fig 1: Identifying Secondary Ho2S (Sensor 2) 4P Connector
    G06231776Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Remove the secondary HO2S (Sensor 2) (A).
    Fig 2: Secondary HO2S (Sensor 2) With Torque Specifications
    G06231777Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Install the parts in the reverse order of removal.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.