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P1128 Diagnostic Trouble Code Discussion for January 2007

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2001 Volkswagen Jetta GLS 1.8L Poor Idle Quality, MIL Lamp on VIN: 3VWSC29MX1
P1128: long term fuel. HI, This jetta is setting multiple codes that are intermitent. I checked the mass air meter and it tests out of range but I find it hard to believe that a single MAF is causing all of these codes I have plans to replace it but was wonder if any VW techs know s...
January 23, 2007