Engine-CodesFord – P0059 2011 Ford Fusion

P0059 2011 Ford Fusion Code - HO2S Heater Resistance Bank 2 Sensor 1

Quick Answer

The diagnostic trouble code P0059 for a 2011 Ford Fusion refers to an issue with the HO2S (Heated Oxygen Sensor) heater circuit for Bank 2 Sensor 1. Common causes include Faulty oxygen sensor, Wiring or connector issues in the heater circuit, Blown fuse related to the oxygen sensor heater. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0059 2011 Ford Fusion indicates HO2S Heater Resistance Bank 2 Sensor 1.
Common causes
Common causes include Faulty oxygen sensor, Wiring or connector issues in the heater circuit, Blown fuse related to the oxygen sensor heater.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0059 2011 Ford Fusion Description

The diagnostic trouble code P0059 for a 2011 Ford Fusion refers to an issue with the HO2S (Heated Oxygen Sensor) heater circuit for Bank 2 Sensor 1. This sensor is responsible for monitoring the oxygen levels in the exhaust gases and providing feedback to the engine control module to adjust the air-fuel mixture for optimal combustion. The heater circuit is essential for the sensor to reach operating temperature quickly, especially during cold starts, to ensure accurate readings.

OBDII Code P0059 2011 Ford Fusion - HO2S Heater Resistance Bank 2 Sensor 1
P0059 2011 Ford Fusion Code - HO2S Heater Resistance Bank 2 Sensor 1

Common Causes of P0059 2011 Ford Fusion

  1. Faulty oxygen sensor
  2. Wiring or connector issues in the heater circuit
  3. Blown fuse related to the oxygen sensor heater
  4. ECM (Engine Control Module) software update needed
  5. Exhaust leaks near the sensor

Symptoms of P0059 2011 Ford Fusion

  1. Check Engine Light illuminated on the dashboard
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Poor acceleration
  5. Failed emissions test

How to Fix P0059 2011 Ford Fusion

  1. Diagnose the issue using a scan tool to confirm the P0059 code and check the oxygen sensor's heater circuit.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
  3. Test the oxygen sensor heater resistance to determine if it falls within the specified range. Replace the sensor if needed.
  4. Check and replace any blown fuses related to the oxygen sensor heater.
  5. Clear the code from the ECM and perform a test drive to ensure the issue is resolved.

Cost to Fix P0059 2011 Ford Fusion

The typical repair costs for addressing the P0059 code on a 2011 Ford Fusion can range from $150 to $400, including parts and labor. Please note that diagnosis time and labor rates can vary, so it's advisable to check with local auto repair shops for more accurate estimates. Factors such as location, vehicle make and model, and engine type can also influence the final cost.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0059 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P0059 on a 2011 Ford Fusion?

- Common symptoms include the Check Engine light illuminating, potential decrease in fuel efficiency, rough idling, and engine misfires.

2. What does the OBDII code P0059 for a 2011 Ford Fusion indicate?

- OBDII code P0059 refers to an issue with the HO2S (Heated Oxygen Sensor) Heater Resistance for Bank 2 Sensor 1 in the vehicle's exhaust system.

3. What are the possible causes of OBDII code P0059 on a 2011 Ford Fusion?

- Possible causes include a faulty HO2S, damaged wiring in the sensor circuit, a blown fuse, or problems with the sensor heater control circuit.

4. How can I diagnose the OBDII code P0059 on a 2011 Ford Fusion?

- Diagnosis involves using an OBDII scanner to retrieve the specific trouble code, checking the wiring and connections to the sensor, and testing the sensor's resistance with a multimeter.

5. Can I continue driving my 2011 Ford Fusion with OBDII code P0059?

- It is not recommended to drive the vehicle with this code unresolved, as it can lead to potential engine performance issues and increased emissions.

6. How do I repair OBDII code P0059 on a 2011 Ford Fusion?

- Repair options include replacing the faulty HO2S, repairing damaged wiring or connectors, checking and replacing any blown fuses, or addressing issues with the sensor heater control circuit.

7. Are there any DIY tips for fixing OBDII code P0059 on a 2011 Ford Fusion?

- While basic troubleshooting like checking connections and fuses can be done DIY, it is recommended to consult a qualified mechanic for proper diagnosis and repair of this code.

8. How much does it typically cost to fix OBDII code P0059 on a 2011 Ford Fusion?

- The cost of repair can vary depending on the specific issue causing the code, but it usually ranges from $150 to $400 for parts and labor.

9. Can a faulty HO2S cause other codes to appear along with P0059 on a 2011 Ford Fusion?

- Yes, a faulty HO2S can sometimes trigger related codes like P0058, P0060, or even more general codes related to oxygen sensor performance.

10. How often should the HO2S be replaced in a 2011 Ford Fusion to prevent OBDII code P0059?

- The HO2S does not have a specific replacement interval, but it is recommended to follow the manufacturer's maintenance schedule and replace the sensor when performance issues arise.

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