AutoCodes – Ford – P0158 2011 Ford Fusion

P0158 2011 Ford Fusion Code - O2 Sensor Circuit High Voltage Bank 2 Sensor 2

Quick Answer

The heated oxygen sensor (HO2S) signals are monitored for an over voltage condition. Common causes include Faulty Rear Heated Oxygen Sensor Bank 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear 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: P0158 2011 Ford Fusion indicates O2 Sensor Circuit High Voltage Bank 2 Sensor 2.
Common causes: Common causes include Faulty Rear Heated Oxygen Sensor Bank 2, Rear Heated Oxygen Sensor Bank 2 harness is open or shorted, Rear 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 2,305

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0158 2011 Ford Fusion Description

The heated oxygen sensor (HO2S) signals are monitored for an over voltage condition. The code is set when the HO2S signal voltage is 1.5 volts or greater.

OBDII Code P0158 2011 Ford Fusion - O2 Sensor Circuit High Voltage Bank 2 Sensor 2 - AutoCodes.com — P0158 2011 Ford Fusion Code - O2 Sensor Circuit High Voltage Bank 2 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P0158 2011 Ford Fusion?

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

How to Fix the DTC P0158 2011 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.

What does this mean?

Code Tech Notes

Replacing the Rear Heated Oxygen Sensor Bank 2 usually takes care of the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0158 2011 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.

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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 P0158 2011 Ford Fusion Code

1. What are the common symptoms of OBDII code P0158 (O2 Sensor Circuit High Voltage Bank 2 Sensor 2) on a 2011 Ford Fusion?

- Common symptoms include reduced fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine light.

2. What causes OBDII code P0158 on a 2011 Ford Fusion?

- The main causes of P0158 typically include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, or issues with the vehicle's engine control module (ECM).

3. How can I diagnose OBDII code P0158 on a 2011 Ford Fusion?

- Diagnosing P0158 involves using an OBDII scanner to retrieve the fault code, inspecting the oxygen sensor and related wiring for damage, and checking for exhaust leaks near the sensor.

4. Can I continue driving my 2011 Ford Fusion with OBDII code P0158?

- It is not recommended to continue driving with code P0158 as it can lead to further engine damage and decreased fuel efficiency. It is best to address the issue promptly.

5. How can I repair OBDII code P0158 on a 2011 Ford Fusion?

- Repair options for P0158 include replacing the Bank 2 Sensor 2 oxygen sensor, repairing damaged wiring or connectors, fixing any exhaust leaks, and resetting the ECM to clear the code.

6. Will resetting the Check Engine light fix OBDII code P0158 on a 2011 Ford Fusion?

- Resetting the Check Engine light may temporarily turn it off, but it will not fix the underlying issue causing P0158. It's important to diagnose and repair the problem to prevent it from recurring.

7. Is it possible to clean the oxygen sensor to resolve OBDII code P0158 on a 2011 Ford Fusion?

- Cleaning the oxygen sensor is not a recommended solution for P0158. It is best to replace the sensor if it is determined to be faulty or malfunctioning.

8. How much does it cost to repair OBDII code P0158 on a 2011 Ford Fusion?

- The cost of repairing P0158 can vary depending on the cause of the issue, the cost of parts, and labor rates. It is advisable to consult a mechanic or service center for an accurate estimate.

9. Can a DIY enthusiast fix OBDII code P0158 on a 2011 Ford Fusion?

- DIY enthusiasts with the necessary tools and knowledge may be able to replace the oxygen sensor or address simple wiring issues causing P0158. However, more complex diagnostics may require professional assistance.

10. How often does OBDII code P0158 occur in a 2011 Ford Fusion?

- The occurrence of P0158 can vary depending on the vehicle's condition, maintenance history, and driving habits. If properly maintained, this code may not occur frequently.