AutoCodesFord – P0151 2006 Ford Fusion

P0151 2006 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 2006 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 2,463
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 2006 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 2006 Ford Fusion - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1 - AutoCodes.com
P0151 2006 Ford Fusion Code - O2 Sensor Circuit Low Voltage Bank 2 Sensor 1

What are the Possible Causes of the DTC P0151 2006 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 2006 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 2006 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 2006 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 2006 Ford Fusion Code

What does the OBDII code P0151 mean on a 2006 Ford Fusion?

Code P0151 indicates that the oxygen sensor (Bank 2, Sensor 1) is reporting a low voltage signal, meaning the sensor detects a lean air-fuel mixture.

What are the symptoms of code P0151 in a 2006 Ford Fusion?

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

What causes the P0151 code to appear?

Possible causes include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, or a vacuum leak affecting the air-fuel mixture.

How do I locate Bank 2 Sensor 1 on a 2006 Ford Fusion?

Bank 2 refers to the side of the engine with cylinder 2, and Sensor 1 is the upstream (before the catalytic converter) oxygen sensor.

Can I drive my 2006 Ford Fusion with a P0151 code?

Driving with this code is not recommended for extended periods, as it may lead to increased fuel consumption, poor engine performance, or potential damage to the catalytic converter.

How can I fix the P0151 code on my 2006 Ford Fusion?

Repairs may include replacing the oxygen sensor, repairing damaged wiring, fixing exhaust or vacuum leaks, or addressing fuel delivery issues.

How can I test the oxygen sensor for the P0151 code?

Use a multimeter or scan tool to check the sensor's voltage readings. The voltage should fluctuate between 0.1V and 0.9V under normal operating conditions.

Could a dirty air filter cause the P0151 code?

While unlikely, a severely dirty air filter could restrict airflow and contribute to a lean condition, potentially triggering this code.

How much does it cost to fix the P0151 code?

Replacing an oxygen sensor typically costs $150–$400, depending on parts and labor. Additional repairs for wiring or leaks may increase costs.

Does a P0151 code always mean the oxygen sensor is bad?

Not necessarily. The code may also result from wiring issues, vacuum or exhaust leaks, or problems with the engine's air-fuel mixture. Proper diagnosis is essential.

Discuss the causes and fixes for P0151 2006 Ford Fusion OBDII Code

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