G6 2005-2007

Heated Oxygen Sensor

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2.4L Engine



The Front Heated Oxygen (HO2S) Sensor is mounted in the exhaust manifold. The rear (HO2S) is mounted in the front exhaust pipe.

3.5L, 3.6L And 3.9L Engine



The Front Heated Oxygen (HO2S) Sensors left and right are mounted in the exhaust manifold. Bank 1 sensor 1 is mounted in the right exhaust manifold and bank 2 sensor 2 in the left manifold.

The rear Heated Oxygen (HO2S) Sensors are mounted just behind the catalytic converters. Bank 1 sensor 2 is mounted behind right converter assembly and bank 2 sensor 2 behind left assembly.

 
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