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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| 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 |
