Join Now
International Automotive Technicians Network

P1129 Diagnostic Trouble Code Discussion for December 2013

Closed Loop Fueling Not Achieved (Bank 2)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1129
Help Request Posted
2008 Jeep Grand Cherokee Laredo 3.7L MIL Lamp on VIN: 1J8GR48K18
P1129: closed loop fueling not acheived bank 2. hey jeep tech's wondering if u could shed some light on these codes on this jeep, she went to a shop and they scanned it and told her she needed three of the 4 o2's..so anyway she brought it to my shop and i went ahead and got all 4 of them since the dealer o2...
December 30, 2013
2008 Jeep Grand Cherokee Laredo 3.7L MIL Lamp on VIN: 1J8GR48K18
P1129: closed loop fueling not acheived bank 2. hey jeep tech's wondering if u could shed some light on these codes on this jeep, she went to a shop and they scanned it and told her she needed three of the 4 o2's..so anyway she brought it to my shop and i went ahead and got all 4 of them since the dealer o2...
December 30, 2013
2008 Jeep Grand Cherokee Laredo 3.7L MIL Lamp on VIN: 1J8GR48K18
P1129: closed loop fueling not acheived bank 2. hey jeep tech's wondering if u could shed some light on these codes on this jeep, she went to a shop and they scanned it and told her she needed three of the 4 o2's..so anyway she brought it to my shop and i went ahead and got all 4 of them since the dealer o2...
December 30, 2013