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Removal (HO2S 2)

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Raise and support vehicle. Ensure oxygen sensor is free of contaminants. DO NOT use cleaning solvents of any type. Oxygen sensor may be difficult to remove when engine temperature is below 120°F (48°C). Excessive removal force may damage threads in exhaust pipe.
  2. Disconnect harness connector from HO2S 2. Carefully remove HO2S 2 from exhaust pipe using Oxygen Sensor Tool (J-39194-B).
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