× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1128 Diagnostic Trouble Code Discussion for January 2010

Closed Loop Fueling Not Achieved - Bank 1

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 P1128
Help Request Posted
2004 Audi A8 Quattro L 4.2L Poor Idle Quality, MIL Lamp on VIN: WAUML44E34
P1128: bank 1 long term fuel trim system to lean. ... sensor and p1128 long term fuel trim to lean. the first thing we did was check the timing belt to make sure that it was fine and it was. next we pulled driver side valve cover off and found that there were only 15 rollers i...
January 26, 2010