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Engine-Codes – Ford – P0137 2006 Ford Fusion

P0137 2006 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Quick Answer

The P0137 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the O2 sensor circuit on Bank 1 Sensor 2. Common causes include Faulty O2 sensor, Wiring or connector issues, Exhaust leaks. 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
P0137 2006 Ford Fusion indicates O2 Sensor Circuit Low Voltage Bank 1 Sensor 2.
Common causes
Common causes include Faulty O2 sensor, Wiring or connector issues, Exhaust leaks.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0137 2006 Ford Fusion Description

The P0137 diagnostic trouble code (DTC) for a 2006 Ford Fusion indicates a problem with the O2 sensor circuit on Bank 1 Sensor 2. This sensor is responsible for monitoring the oxygen levels in the exhaust gases downstream of the catalytic converter. A low voltage reading from this sensor suggests that the oxygen content in the exhaust is lower than expected, which can lead to insufficient fuel mixture adjustments by the engine control module (ECM). This can result in decreased fuel efficiency, increased emissions, and potential damage to the catalytic converter over time.

OBDII Code P0137 2006 Ford Fusion - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
P0137 2006 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Common Causes of P0137 2006 Ford Fusion

  1. Faulty O2 sensor
  2. Wiring or connector issues
  3. Exhaust leaks
  4. Vacuum leaks
  5. ECM or engine control module issues

Symptoms of P0137 2006 Ford Fusion

  1. Decreased fuel efficiency
  2. Rough idle or stalling
  3. Check Engine Light illuminated
  4. Poor acceleration or engine performance
  5. Increased emissions output

How to Fix P0137 2006 Ford Fusion

  1. Diagnose the O2 sensor circuit using a multimeter to test for voltage.
  2. Inspect the wiring harness and connectors for any damage or corrosion.
  3. Replace the O2 sensor if it is faulty or not providing the correct voltage readings.
  4. Repair any exhaust or vacuum leaks that may be affecting sensor performance.
  5. Clear the DTC with a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0137 2006 Ford Fusion

The cost to repair a P0137 O2 sensor circuit low voltage code on a 2006 Ford Fusion can vary depending on the specific cause of the issue. Generally, the cost of a new O2 sensor can range from $50 to $200, with labor costs adding an additional $50 to $100. The total repair cost could be anywhere from $100 to $300. Keep in mind that labor rates and part prices may differ based on location and the repair shop's pricing structure. It's recommended to obtain quotes from multiple shops to ensure you are getting a fair price for the repair.

What does this mean?

Tech Notes for P0137 2006 Ford Fusion

Replacing the rear O2 Sensor bank 1 usually takes care of the problem.

When is the Code Detected?

The P0137 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively low for an extended period of time.

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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 P0137 2006 Ford Fusion Code

1. What are the common symptoms of OBDII code P0137 in a 2006 Ford Fusion?

- Common symptoms include poor fuel economy, rough idling, check engine light illumination, and potential issues with emissions.

2. What does the OBDII code P0137 on a 2006 Ford Fusion indicate?

- The code P0137 indicates that there is low voltage in the O2 sensor circuit of Bank 1 Sensor 2 in the vehicle's exhaust system.

3. What are the possible causes of O2 sensor circuit low voltage in a 2006 Ford Fusion?

- Possible causes include a faulty O2 sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the engine control module.

4. How can I diagnose the O2 sensor circuit low voltage issue in my 2006 Ford Fusion?

- You can diagnose the issue by checking the O2 sensor's wiring and connectors for damage, inspecting the exhaust system for leaks, and using a scan tool to monitor sensor readings.

5. Can I drive my 2006 Ford Fusion with the OBDII code P0137 active?

- While it is possible to drive the vehicle with the code active, it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.

6. How can I repair the O2 sensor circuit low voltage issue in my 2006 Ford Fusion?

- Repair steps may include replacing the Bank 1 Sensor 2 O2 sensor, repairing damaged wiring or connectors, fixing exhaust leaks, or reprogramming the engine control module.

7. Will resetting the check engine light resolve the OBDII code P0137 in a 2006 Ford Fusion?

- Resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing the O2 sensor circuit low voltage problem.

8. How much does it cost to repair the O2 sensor circuit low voltage issue in a 2006 Ford Fusion?

- The cost of repair can vary depending on the specific cause of the problem, but it may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix the OBDII code P0137 in a 2006 Ford Fusion?

- DIY enthusiasts with the necessary tools and experience may be able to address the issue themselves by following repair guides and instructions specific to their vehicle.

10. How often should the O2 sensors be replaced in a 2006 Ford Fusion to prevent O2 sensor circuit low voltage issues?

- O2 sensors typically have a lifespan of 60,000 to 100,000 miles, so it is recommended to replace them within this mileage range to prevent potential issues like O2 sensor circuit low voltage.

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