AutoCodesFord – P00BF 2017 Ford F150

P00BF 2017 Ford F150 Code - Mass Airflow 'B' Circuit Range/Performance Air Flow Too High

Quick Answer

The Mass Airflow (MAF) Sensor uses a hot wire sensing element to measure the amount of air entering the engine. Common causes include Faulty Mass Airflow (MAF) 'B' Sensor, Mass Airflow 'B' Sensor harness is open or shorted, Mass Airflow 'B' Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P00BF 2017 Ford F150 indicates Mass Airflow 'B' Circuit Range/Performance Air Flow Too High.
Common causes
Common causes include Faulty Mass Airflow (MAF) 'B' Sensor, Mass Airflow 'B' Sensor harness is open or shorted, Mass Airflow 'B' Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 171
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 18, 2023
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Code P00BF 2017 Ford F150 Description

The Mass Airflow (MAF) Sensor uses a hot wire sensing element to measure the amount of air entering the engine. The air passing over the hot wire causes it to cool. This hot wire is maintained at 200°C (392°F) above the ambient temperature as measured by a constant cold wire. The current required to maintain the temperature of the hot wire is proportional to the mass airflow. The MAF Sensor then outputs a signal to the Powertrain Control Module (PCM) proportional to the intake air mass. The PCM calculates the required fuel injector pulse width in order to provide the desired air to fuel ratio. The MAF sensor is located near the air cleaner assembly. Most MAF sensors have an integrated Intake Air Temperature (IAT) sensor. This Diagnostic Trouble Code (DTC) will be set when the Mass Airflow 'A' Sensor (MAF11) value is within the expected range for the current operating conditions, and the Mass Airflow 'B' Sensor (MAF21) value is greater than the MAF11 value.
OBDII Code P00BF 2017 Ford F150 - Mass Airflow 'B' Circuit Range/Performance Air Flow Too High - AutoCodes.com
P00BF 2017 Ford F150 Code - Mass Airflow 'B' Circuit Range/Performance Air Flow Too High

What are the Possible Causes of the DTC P00BF 2017 Ford F150?

  • Faulty Mass Airflow (MAF) 'B' Sensor
  • Mass Airflow 'B' Sensor harness is open or shorted
  • Mass Airflow 'B' Sensor circuit poor electrical connection

How to Fix the DTC P00BF 2017 Ford F150?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P00BF 2017 Ford F150 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 P00BF 2017 Ford F150 code?

Need more information on how to fix the P00BF 2017 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the 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 P00BF 2017 Ford F150 Code

1. What are the common symptoms of OBDII code P00BF in a 2017 Ford F150?

- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and the illumination of the check engine light.

2. What could cause the OBDII code P00BF to trigger in a 2017 Ford F150?

- The code may be triggered due to issues with the mass airflow sensor, a vacuum leak, a faulty air filter, or problems with the intake system.

3. How can I diagnose the Mass Airflow 'B' Circuit Range/Performance Air Flow Too High code in my 2017 Ford F150?

- You can start by inspecting the mass airflow sensor, checking for any loose connections, testing the sensor's voltage output, and examining the air intake system for any leaks or obstructions.

4. What are some repair tips for resolving the P00BF code in a 2017 Ford F150?

- Repair tips may include cleaning or replacing the mass airflow sensor, fixing any vacuum leaks, replacing the air filter, inspecting and repairing the intake system, and resetting the engine control module.

5. Can driving with the P00BF code in a 2017 Ford F150 cause further damage to the vehicle?

- Continuing to drive with this code may lead to decreased engine performance, reduced fuel efficiency, and potential damage to other engine components over time. It is recommended to address the issue promptly.

6. Is it safe to clear the P00BF code in a 2017 Ford F150 using an OBDII scanner?

- Clearing the code with an OBDII scanner may temporarily turn off the check engine light, but if the underlying issue is not resolved, the code is likely to reappear. It is essential to diagnose and fix the root cause of the problem.

7. How much does it typically cost to repair the Mass Airflow 'B' Circuit Range/Performance Air Flow Too High code in a 2017 Ford F150?

- The cost of repairs can vary depending on the specific issue causing the code. Replacing a mass airflow sensor can cost between $100 to $400, while fixing a vacuum leak or replacing an air filter may be less expensive.

8. Can a DIY enthusiast fix the P00BF code in a 2017 Ford F150, or is it recommended to seek professional help?

- Depending on your mechanical skills and knowledge, some aspects of diagnosing and repairing the code may be tackled as a DIY project. However, if you are unsure or lack experience, it is advisable to consult a professional mechanic for accurate diagnosis and repair.

9. How long does it take to repair the OBDII code P00BF in a 2017 Ford F150?

- The repair time can vary based on the specific cause of the code and the extent of the repairs needed. Simple fixes like replacing an air filter may take minutes, while diagnosing and repairing a more complex issue could require several hours or more.

10. Will fixing the Mass Airflow 'B' Circuit Range/Performance Air Flow Too High code improve the performance and fuel efficiency of my 2017 Ford F150?

- Yes, addressing the underlying cause of the code and resolving any issues related to the mass airflow sensor or air intake system can lead to improved engine performance, smoother operation, and better fuel efficiency in your Ford F150.

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