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2010 Hyundai Sonata 2.4L with engine code P0140

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2010 Hyundai Sonata 2.4L with engine code P0140. Good day where is the location of the heated oxygen sensor bank1 (PO140) on my car? Thank you
Alain

Vehicle: 2010 Hyundai Sonata 2.4L

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P0140 - 02 Sensor no activity detected (Bank 1 Sensor 2)

This is after the catalytic convertor., or at the catalytic convertor

Hyundai Sonata Catalytic Convertor Oxygen Sensor Location

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