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P1128 Diagnostic Trouble Code Discussion for April 2013

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2009 Dodge Grand Caravan SE 3.3L Cuts out, Misfire VIN: 2D8HN44E49
P1128: Closed loop fueling not achieved. THIS ONE IS FIXED ALREADY JUST WANTED TO POST IT IN CASE SOMEONE ELSE HAS SAME ISSUE!! This vehicle runs decent at idle but exibits slight miss off idle and when placed under load a big hesitation and crankshaft code appears. If continuing to drive it goes int...
April 16, 2013
2008 Jeep Grand Cherokee Laredo 4.7L Misfire VIN: 1J8HR48N68
P1128: Closed Loop fueling not achieved b1. ... codes. Found flash and suggested customer get that taken care of before any further diag on those codes. All codes where history. Customer also complained of a stall condition. Could not duplicate stall. Customer wanted plugs for maint. Replaced the plugs ...
April 24, 2013