AutoCodes – Ford – P0151 2007 Ford Fusion

P0151 2007 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1

Quick Answer

The Powertrain Control Module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Front Heated Oxygen Sensor Bank 2 harness is open or shorted, Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection. 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
P0151 2007 Ford Fusion indicates O2 Sensor Circuit Low Voltage Bank 2 Sensor 1.
Common causes
Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Front Heated Oxygen Sensor Bank 2 harness is open or shorted, Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection.
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.
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Code Popularity 2,105
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0151 2007 Ford Fusion Description

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.
OBDII Code P0151 2007 Ford Fusion - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 - AutoCodes.com
P0151 2007 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1

What are the Possible Causes of the DTC P0151 2007 Ford Fusion?

  • Faulty Front Heated Oxygen Sensor Bank 2
  • Front Heated Oxygen Sensor Bank 2 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks

How to Fix the DTC P0151 2007 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0151 2007 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0151 2007 Ford Fusion code?

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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 P0151 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P0151 (O2 Sensor Circuit Low Voltage Bank 2 Sensor 1) in a 2007 Ford Fusion?

- Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and an illuminated check engine light.

2. What are the possible causes of the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 code on a 2007 Ford Fusion?

- Potential causes include a faulty oxygen (O2) sensor, damaged wiring or connectors in the O2 sensor circuit, exhaust leaks, or issues with the engine's air-fuel mixture.

3. How can I diagnose the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 issue in my 2007 Ford Fusion?

- Diagnose the problem by using an OBDII scanner to retrieve the specific trouble code (P0151), inspecting the O2 sensor and related wiring for damage, and checking for exhaust leaks near the sensor.

4. Can I drive my 2007 Ford Fusion with the OBDII code P0151 (O2 Sensor Circuit Low Voltage Bank 2 Sensor 1) present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.

5. How can I repair the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 problem in my 2007 Ford Fusion?

- Repair options include replacing the faulty O2 sensor, repairing damaged wiring or connectors, fixing exhaust leaks, and ensuring the engine's air-fuel mixture is within the correct parameters.

6. Will resetting the check engine light resolve the OBDII code P0151 issue in my 2007 Ford Fusion?

- Resetting the check engine light may temporarily turn it off, but it will not fix the underlying problem causing the code. It is important to diagnose and address the root cause of the issue.

7. How much does it typically cost to repair the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 code in a 2007 Ford Fusion?

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

8. Can a DIY enthusiast fix the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 problem in a 2007 Ford Fusion?

- Depending on your experience and tools available, it is possible to replace the O2 sensor or repair wiring issues yourself. However, more complex diagnostics and repairs may require professional assistance.

9. How often should the O2 sensors be replaced in a 2007 Ford Fusion to prevent recurring issues like P0151?

- O2 sensors typically have a lifespan of 60,000 to 90,000 miles. It is recommended to replace them within this mileage range to prevent issues like the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 code.

10. Will the O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 code affect the emissions test results of my 2007 Ford Fusion?

- Yes, the presence of this code may cause the vehicle to fail emissions testing. It is important to address and resolve the issue before undergoing an emissions test.

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