P1139 - Long Term Fuel Trim Add. Fuel B2 System Too Rich

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P1139 Possible Causes

  • Faulty O2 Sensor
  • High fuel pressure
  • Faulty Mass Air Flow (MAF) Sensor
  • O2 Sensor harness is open or shorted
  • O2 Sensor circuit poor electrical connection

First diagnose P1139 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P1139 code

    Labor: 1.0

    The cost of diagnosing the P1139 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P1139 Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1139 Description

Long Term Fuel Trim Add. Fuel B2 System Too Rich is the generic description for the P1139 code, but the manufacturer may have a different description. Currently we have no further information abouth the P1139 OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
OBDII Code P1139 - Long Term Fuel Trim Add. Fuel B2 System Too Rich - AutoCodes.com

P1139 More Information

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P1139 Information for specific makes

  • P1139 AUDI Long Term Fuel Trim Add. Fuel B2 System Too Rich
  • P1139 BMW O2 Sensor Heater Circuit High Voltage Bank 1 Sensor 2
  • P1139 BUICK HO2S Insufficient Switching Bank 1 Sensor 2
  • P1139 CADILLAC HO2S Insufficient Switching Bank 1 Sensor 2
  • P1139 CHEVROLET HO2S Insufficient Switching Bank 1 Sensor 2
  • P1139 FORD Water In Fuel Indicator Circuit Malfunction
  • P1139 GMC HO2S Insufficient Switching Bank 1 Sensor 2
  • P1139 MINI O2 Sensor Heater Circuit High Voltage Bank 1 Sensor 2
  • P1139 SUBARU Front Oxygen A/F Sensor #1 Heater Circuit Performance/Range Problem
  • P1139 VOLKSWAGEN Long Term Fuel Trim Add. Fuel B2 System Too Rich

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P1139 Comments

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