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P1128 Diagnostic Trouble Code Discussion for November 2005

Closed Loop Fueling Not Achieved - Bank 1


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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2000 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCC21C9Y
P1128: lean under load. Help! vehicle has been back several times for a trouble code relating to long term fuel trim lean condition. pcm is adding fuel at 25% fuel pump has been replaced pressure regulator also. we performed a motorvac. replace o-2 sensor replaced the fuel filter als...
November 28, 2005
2000 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCC21C9Y
P1128: lean under load. Help! vehicle has been back several times for a trouble code relating to long term fuel trim lean condition. pcm is adding fuel at 25% fuel pump has been replaced pressure regulator also. we performed a motorvac. replace o-2 sensor replaced the fuel filter als...
November 28, 2005