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P1129 Diagnostic Trouble Code Discussion for February 2006

Closed Loop Fueling Not Achieved (Bank 2)

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Trouble Ticket Help Requests for DTC P1129
Help Request Posted
2001 Lincoln LS 3.0L Hesitation, Surge, MIL Lamp on VIN: 071Y663658
P1129: O2 sensor swapped. Greetings Ford/Lincoln master gurus. This car ran well for a short time after having the 90 degree elbow replaced at the oil separator and the ECM cleared at another shop. Soon though, the check engine light reappeared and a surge/hesitation accompanied the li...
February 27, 2006