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P1137 Diagnostic Trouble Code Discussion for November 2004

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage During Power Enrichment

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Trouble Ticket Help Requests for DTC P1137
Help Request Posted
2000 Audi A4 1.8L MIL Lamp on VIN: WAUDC68D7Y
P1137: bank 1 system rich. Vehicle came in with MIL on and code P1137 for rich fuel condition. Tested MAF voltage snap test (with foot) and peak voltage was 3.4 volts. Sounds low, but I am unfamiliar with specs. Performed volumetric efficiecy test and result was 94%. I no longer feel th...
November 19, 2004