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P1128 Diagnostic Trouble Code Discussion for January 2013

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire VIN: WVWPD63B13
P1128: Fuel Trim Bank 1 Mult System too Lean. I have a turbo passat that runs great except at idle. There are also missfire codes stored for every cylinder. Acts just like a vacuum leak. I have checked all over for vacuum leaks and can not find any. I have smoke checked the intake and inner cooler system ...
January 09, 2013
2008 Chrysler Town & Country Touring 3.8L No Start VIN: 2A8HR54P08
P1128: Closed loop fueling not achieved bank 1. This is the first time i have asked for help here so i hope someone out there has an answer.thanks in advance. Van came in with complaint of feeling like misfire.test drive confirmed a quick hicup once in a great while like loosing crank signal.when i played a...
January 26, 2013