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  1. BUICK P1139

P1139 / VW

Long Term Fuel Trim Add. Fuel B2 System Too Rich

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P1139 / SUBARU

Front oxygen (A/F) sensor #1 heater circuit performance/range problem

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P1139 / JAGUAR

Water In Fuel Indicator Circuit Malfunction

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P1139 / GENERIC

Water In Fuel Indicator Circuit Malfunction

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P1139 / CHEVROLET

HO2S Insuff. Switching Bank 1 Sensor 2

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P1139 / CADILLAC

HO2S Insufficient Switching Bank 1 Sensor 2

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P1139 / BUICK

HO2S Insufficient Switching Bank 1 Sensor 2

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P1139 / BMW

O2 Sensor Heater Circuit High Voltage (Bank 1 Sensor 2)

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P1139 / AUDI

Long Term Fuel Trim Add.Fuel,Bank2 System too Rich

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NOTE: Results from this database are the beginning of the diagnostic process, further investigation should be performed to confirm results before you begin repairs.