CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

Heated Oxygen Sensor

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The Heated Oxygen (HO2S) Sensors are mounted in the exhaust system.

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Fig. Heated Oxygen (HO2S) Sensor location view 2.8L, 3.6L, 5.7L & 6.0L engines



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Fig. Heated Oxygen (HO2S) Sensor location view 4.6L engine



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Fig. Heated Oxygen (HO2S) Sensor location view 4.6L engine bank 1-sensor 2

 
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