Engine-CodesFord – P0059 2007 Ford Fusion

P0059 2007 Ford Fusion Code - HO2S Heater Resistance Bank 2 Sensor 1

Quick Answer

The diagnostic trouble code P0059 for a 2007 Ford Fusion refers to an issue with the Heated Oxygen Sensor (HO2S) Heater Resistance in Bank 2 Sensor 1. Common causes include Faulty HO2S heater element, Wiring or connector issues in the sensor circuit, Corrosion or contamination on the sensor. 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 2007 Ford Fusion indicates HO2S Heater Resistance Bank 2 Sensor 1.
Common causes
Common causes include Faulty HO2S heater element, Wiring or connector issues in the sensor circuit, Corrosion or contamination on the sensor.
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 2007 Ford Fusion Description

The diagnostic trouble code P0059 for a 2007 Ford Fusion refers to an issue with the Heated Oxygen Sensor (HO2S) Heater Resistance in Bank 2 Sensor 1. This sensor is responsible for measuring the oxygen content in the exhaust gases and providing feedback to the engine control module to adjust the air-fuel mixture for optimal combustion. The heater element in the sensor helps it reach operating temperature quickly for accurate readings. When the resistance in the heater element is out of the specified range, it can affect the sensor's performance and the engine's ability to adjust the air-fuel ratio, leading to decreased fuel efficiency, increased emissions, and potential drivability issues.

OBDII Code P0059 2007 Ford Fusion - HO2S Heater Resistance Bank 2 Sensor 1
P0059 2007 Ford Fusion Code - HO2S Heater Resistance Bank 2 Sensor 1

Common Causes of P0059 2007 Ford Fusion

  1. Faulty HO2S heater element.
  2. Wiring or connector issues in the sensor circuit.
  3. Corrosion or contamination on the sensor.
  4. Engine coolant leakage onto the sensor.
  5. Engine control module (ECM) malfunction.

Symptoms of P0059 2007 Ford Fusion

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

How to Fix P0059 2007 Ford Fusion

  1. Diagnose the specific issue using a scan tool to confirm the code and check the sensor's resistance.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Replace the Bank 2 Sensor 1 HO2S if the heater element is confirmed to be faulty.
  4. Clear the code and perform a test drive to ensure the issue is resolved.
  5. Reset the ECM to relearn the new sensor's parameters for optimal performance.

Cost to Fix P0059 2007 Ford Fusion

The cost of repairing a P0059 code on a 2007 Ford Fusion can vary depending on the specific cause of the issue. Replacement HO2S sensors typically range from $50 to $200, while labor costs can add another $50 to $150. Overall, the total repair cost can range from $100 to $350, excluding any diagnostic fees or additional parts that may be needed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's specific needs and location.

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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 2007 Ford Fusion Code

1. What does OBDII code P0059 for a 2007 Ford Fusion mean?

This code, HO2S Heater Resistance Bank 2 Sensor 1, indicates an issue with the oxygen sensor heater circuit in the upstream sensor on bank 2 of your vehicle.

2. What are common symptoms of OBDII code P0059 on a 2007 Ford Fusion?

Common symptoms may include poor fuel efficiency, rough idling, engine misfires, and an illuminated check engine light.

3. What are possible causes of OBDII code P0059 on a 2007 Ford Fusion?

The code P0059 can be triggered by issues such as a faulty oxygen sensor, damaged wiring or connectors, a blown fuse, or a problem with the vehicle's PCM.

4. How can I diagnose the cause of OBDII code P0059 on my 2007 Ford Fusion?

Using a scan tool to monitor oxygen sensor data, checking the sensor's resistance, inspecting wiring for damage, and testing the fuse related to the heater circuit are common diagnostic steps.

5. Can I continue driving my 2007 Ford Fusion with OBDII code P0059?

It is not recommended to drive with this code present, as it can lead to reduced fuel efficiency and potential engine damage over time. It is best to address the issue promptly.

6. How can I repair OBDII code P0059 on a 2007 Ford Fusion?

Repair options may include replacing the oxygen sensor, repairing or replacing damaged wiring, ensuring proper fuse functionality, or addressing any issues with the PCM.

7. Will OBDII code P0059 on a 2007 Ford Fusion affect emissions testing?

Yes, this code can cause your vehicle to fail emissions testing, as it indicates an issue with the oxygen sensor heater circuit, which is crucial for proper emission control.

8. How much does it typically cost to repair OBDII code P0059 on a 2007 Ford Fusion?

The cost of repair can vary depending on the cause of the issue, but it may range from around $100 to $400 or more, including parts and labor.

9. Can I clear the OBDII code P0059 on my 2007 Ford Fusion without repairing the issue?

While you can clear the code temporarily, it is recommended to address the underlying problem to prevent further issues and ensure optimal performance of your vehicle.

10. Is it possible to prevent OBDII code P0059 from recurring on a 2007 Ford Fusion?

Regular maintenance, such as inspecting and replacing oxygen sensors as needed, checking wiring for damage, and following recommended service intervals, can help prevent this code from recurring.

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