P1139
HO2S Insufficient Switching Bank 1 Sensor 2.
- Cadillac
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 1
- AreaFuel and air metering
- 39
- FaultThe specific fault in that area
Guide
Writing the guide for P1139. The first open of a code takes up to a minute.
This code for other makes
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- P1139FordWater In Fuel Indicator Circuit Malfunction
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- P1139LincolnWater In Fuel Indicator Circuit Malfunction
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- P1139OtherWater In Fuel Indicator Circuit Malfunction
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