1998 Ford Taurus: OBD Error Code P1131?

The Error code store in Vehicles computer.
The OBD code P1131 pointing to a fault with the Oxygen Sensor for Bank1 Sensor1. Inspect the electrical connector and harness for any loose, broken or damaged wires. If the visual inspection checks ok, suspect a faulty sensor, and replacement should solve the problem.

See the diagram shown below for its parts location:---------



This details will help.
Thanks.

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