Pending code P0131 no CEL

Question

Had pending code P0131-low voltage at b1s1 O2 Sensor-replaced sensor-Cleared code-performed drive cycle-code came back on -P0131 no CEL on dashboard

Answer 1

P0131 Oxygen sensor circuit low voltage bank 1 sensor 1

Check the fuse for this located in the engine compartment listed as fuse 43 replace if open. Bank 1 is the right side, before the catalytic convertor.