I changed both sensors however the light keeps coming on with code p0156

Question

2000 Ford Mustang 3.8L, I changed both sensors however the light keeps coming on with code p0156

Answer 1

P0156 -02 sensor  circuit malfunction Bank 2 sensor 2)

This  is sensor 2 this make it a downstrean or catalytic monitor sensor, on bank 2, check the possibility of crossed 02 sensor wire,

Answer 2

P0156 FORD - Heated Oxygen Sensor Circuit Malfunction Bank 2 Sensor 2

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