replaced sensors& all cops &plugs why is it still throwing po141 code

Question

05 ford escapestrong text

Answer 1

P0141 02 sensor heater circuit malfunction Bank 1 Sensor 2

This code condition when it set is more for the 02 sensor than anything affecting the 02 sensor operation. Heater code for the 02 sensor are usuall indication of a degraded 02 sensor.