Engine-Codes - Ford - P0131 2011 FORD FOCUS

P0131 2011 FORD FOCUS - O2 Sensor Circuit Low Voltage Bank 1 Sensor 1

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3  What is this?
Table of contents

P0131 2011 FORD FOCUS Possible Causes

  • Faulty Front Heated Oxygen Sensor Bank 1
  • Front Heated Oxygen Sensor Bank 1 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks

How do I fix code P0131 2011 FORD FOCUS?

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.

Tech Notes

Replacing the O2 Sensor 1 usually takes care of the problem

Cost of diagnosing the P0131 2011 FORD FOCUS code

Labor: 1.0

The cost of diagnosing the P0131 2011 FORD FOCUS 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.

When is the code detected?

The voltage signal from the sensor is lower than the specified time.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • High Fuel Consumption
  • Excessive Smoke from Exhaust

P0131 2011 FORD FOCUS Meaning

The powertrain control module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. The test fails when the PCM detects a concern with one of the circuits used to determine the oxygen content in the exhaust gas.

P0131 2011 FORD FOCUS More Information

Need more information on how to fix the P0131 2011 FORD FOCUS code?
Get Access to Factory Service Manuals

Need more help?

Get the P0131 2011 Ford Focus code diagnosed by a professional: Find a repair shop in your area