Engine-CodesFord – P0137 2008 Ford Fusion

P0137 2008 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Quick Answer

The P0137 code for a 2008 Ford Fusion indicates a problem with the O2 sensor circuit for Bank 1 Sensor 2, specifically reporting low voltage. Common causes include Faulty O2 sensor, Wiring issues such as shorts or open circuits, Exhaust leaks near 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
P0137 2008 Ford Fusion indicates O2 Sensor Circuit Low Voltage Bank 1 Sensor 2.
Common causes
Common causes include Faulty O2 sensor, Wiring issues such as shorts or open circuits, Exhaust leaks near 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
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0137 2008 Ford Fusion Description

The P0137 code for a 2008 Ford Fusion indicates a problem with the O2 sensor circuit for Bank 1 Sensor 2, specifically reporting low voltage. The O2 sensor is responsible for measuring the amount of oxygen in the exhaust gases and providing feedback to the engine control module to optimize the air-fuel mixture for efficient combustion. Bank 1 Sensor 2 refers to the sensor located downstream of the catalytic converter on the side of the engine where cylinder 1 is located.

OBDII Code P0137 2008 Ford Fusion - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
P0137 2008 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Common Causes of P0137 2008 Ford Fusion

  1. Faulty O2 sensor
  2. Wiring issues such as shorts or open circuits
  3. Exhaust leaks near the sensor
  4. Contaminated sensor due to oil or coolant leaks
  5. Faulty engine control module

Symptoms of P0137 2008 Ford Fusion

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Failed emissions test

How to Fix P0137 2008 Ford Fusion

  1. Use an OBD-II scanner to confirm the P0137 code and diagnose the issue
  2. Inspect the wiring harness and connector for any damage or corrosion
  3. Test the O2 sensor's voltage output and replace if necessary
  4. Clear the error code and reset the engine control module
  5. Perform a road test to ensure the issue has been resolved

Cost to Fix P0137 2008 Ford Fusion

The cost of repairing a P0137 code on a 2008 Ford Fusion can vary depending on the root cause of the issue. Typically, the price for a new O2 sensor ranges from $50 to $200, while labor costs can range from $100 to $200. Additional costs may apply if other components need to be replaced or if the wiring harness needs repairs. Overall, the total cost for parts and labor could range from $150 to $400. It's recommended to consult with a professional mechanic or repair shop for an accurate estimate based on your specific vehicle and location.

Tech Notes for P0137 2008 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.

Need more information about the P0137 2008 Ford Fusion code?

Need more information on how to fix the P0137 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0137 2008 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0137 on a 2008 Ford Fusion?

The common symptoms of OBDII code P0137 (O2 Sensor Circuit Low Voltage Bank 1 Sensor 2) on a 2008 Ford Fusion may include poor fuel economy, rough idling, and the illumination of the Check Engine Light.

2. What does the O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 mean in relation to this code?

The term "Bank 1 Sensor 2" refers to the downstream oxygen sensor located after the catalytic converter in the exhaust system of a vehicle.

3. What are the potential causes of OBDII code P0137 on a 2008 Ford Fusion?

Potential causes of OBDII code P0137 on a 2008 Ford Fusion include a faulty oxygen sensor, wiring issues in the O2 sensor circuit, a vacuum leak, or a malfunctioning catalytic converter.

4. How do I diagnose the O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 issue on a 2008 Ford Fusion?

Diagnosing the O2 Sensor Circuit Low Voltage Bank 1 Sensor 2 issue involves using an OBDII scanner to retrieve the specific trouble code, visually inspecting the oxygen sensor and its wiring, and performing voltage and resistance tests.

5. Can I continue driving my 2008 Ford Fusion with OBDII code P0137?

It is generally not recommended to continue driving a vehicle with OBDII code P0137 as it can lead to decreased fuel efficiency and potentially cause further damage to the engine or catalytic converter.

6. How can I repair OBDII code P0137 on my 2008 Ford Fusion?

Repairing OBDII code P0137 often involves replacing the Bank 1 Sensor 2 oxygen sensor, repairing any damaged wiring in the O2 sensor circuit, and addressing any other underlying issues identified during diagnostics.

7. Are there any DIY tips for fixing O2 Sensor Circuit Low Voltage on a 2008 Ford Fusion?

DIY tips for fixing O2 Sensor Circuit Low Voltage on a 2008 Ford Fusion include ensuring the oxygen sensor is properly connected, checking for visible signs of damage to the sensor or wiring, and consulting the vehicle's service manual for specific repair procedures.

8. How much does it typically cost to repair OBDII code P0137 on a 2008 Ford Fusion?

The cost to repair OBDII code P0137 on a 2008 Ford Fusion can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a faulty oxygen sensor cause other issues in addition to triggering OBDII code P0137?

Yes, a faulty oxygen sensor can cause a variety of issues beyond triggering OBDII code P0137, including poor engine performance, decreased fuel efficiency, and increased emissions.

10. How often should the oxygen sensors be replaced in a 2008 Ford Fusion?

Oxygen sensors in a 2008 Ford Fusion typically last between 50,000 to 100,000 miles, but it is recommended to follow the manufacturer's maintenance schedule and replace them as needed based on diagnostic testing.

Discuss the causes and fixes for P0137 2008 Ford Fusion OBDII Code

Code P0137 2008 Ford Fusion comments

No comments found for this page.