Engine-Codes - Generic - P1139

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

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

How is the P1139 code repair?

Start by checking 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.

What is the cost to diagnose the P1139 code

Labor: 1.0

The cost to diagnose the P1139 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1139 Meaning

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 for your model and year vehicle. Currently, we have no further information abouth the P1139 OBDII code.

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More Information

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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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