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P1129 Diagnostic Trouble Code Discussion for July 2010

Closed Loop Fueling Not Achieved (Bank 2)

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Trouble Ticket Help Requests for DTC P1129
Help Request Posted
2008 Dodge Charger SE 2.7L Misfire VIN: 2B3KA43R78
P1129: closed fuel loop not achieved bank 1. hi guys this comes to me by default.my tech started looking at this and decided that closed loop fueling not achieved means that the engine is not getting hot enough fast enough (po1128/po1129)the car also has a miss or buck on acceleration sometimes.i have no...
July 06, 2010