Where Is The Oxygen Sensor On A 2006 Chevy 5.3 Liter Bank 2 Downstream

The engine light came on , i had code checked it was p0430 . It says catalyst system efficiency below threshold bank2 . Where is that oxygen sensor placed , the veh is a 2006 chevy trailblazer with 5.3 liter, it just happened while i was driving.

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  1. Billy J
  2. Becca
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