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P1128 Diagnostic Trouble Code Discussion for March 2020

Closed Loop Fueling Not Achieved - Bank 1


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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2010 Dodge Journey SXT 3.5L Cuts out, Stall, MIL Lamp on VIN: 3D4PH5FV2A
P1128: Closed loop not achieved Bank 1 s1. Hi all in IATN land. Thanks for taking some time to read this post. First it looks like someone took care of the wiring problem for the EGR TSB. I cleared the codes and did a cold boot and the EGR codes have not returned. Both of the O2 codes will come bac...
March 09, 2020