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P1128 Diagnostic Trouble Code Discussion for February 2005

Closed Loop Fueling Not Achieved - Bank 1

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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
1999 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCC21C0X
P1128: bank 1 long term fuel trim system too lean. ... this is starting to be a pain . the car first came in with a check engin light on. owner thought the transmission was going out . it had seven codes the first time p0134,p0300,p0301,p0304,p0303,p0302 . the o2 sensor was out replced it with a set of new plu...
February 15, 2005
2000 Audi A6 Quattro 4.2L Misfire, MIL Lamp on VIN: WAUZL54B9Y
P1128: fuel trim bank 2 system to lean. ... weeks now. I replaced the MAF with genuine Bosch unit and that took care of the P1130 and P1128 codes. I still have the P0300 random-multiple misfire/P0302 cylinder 2 misfire/P0304 cylinder 4 misfire codes reoccuring all the time. I've looked at injector w...
February 17, 2005
2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWMA23BOY
P1128: fuel trim. ... code p1128, while doing a research I notice buch of recalls on air mass sensors, is this the case with this vehicle? unfortunally I do not have the proper scanner to work on VW my Specialty is MB and BMW trying to help a long time customers sons car. Any i...
February 17, 2005