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P1148 Diagnostic Trouble Code Discussion for September 2012

Closed Loop Malfunction Detected (Bank 1)

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Trouble Ticket Help Requests for DTC P1148
Help Request Posted
1999 Mercury Villager Estate 3.3L MIL Lamp on VIN: 4M2XV11T0X
P1148: Closed Loop Malfunction Detected (Bank 1). Thank you for your time. this vehicle came to me after several attempts to cure multiple issues.Maf had been replaced and front o2 sensor.car ran no power found fuel pump weak .replaced pump car then ran very well .after 5mile drive mil came on with above code...
September 19, 2012