AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Generic - P1139

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

- Code Popularity: 23,064 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P1139?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your Car have Safety Recalls? → Check here

How to Fix the DTC P1139?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P1139 Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1139 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

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

Still have questions? Please post your question on our Comments Section below for more information.

OBDII Code P1139 - Long Term Fuel Trim Add. Fuel B2 System Too Rich - AutoCodes.com
P1139 Code - Long Term Fuel Trim Add. Fuel B2 System Too Rich

Need More Information on the Code?

Need more information on how to fix the P1139 code? Get Access to Factory Service Manuals

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

Need Help with the Code?

Get the P1139 code diagnosed by a professional: Find a repair shop in your area

Code P1139 comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P1139 code? Have you replaced any parts?
Any information is appreciated. Thanks