AutoCodes – Ford – P0103 2015 Ford F150

P0103 2015 Ford F150 Code - Mass Or Volume Air Flow Sensor 'A' Circuit High Input

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 Dirty Air Filter, Faulty Mass Airflow (MAF) 'A' Sensor, Mass Airflow 'A' Sensor harness is open or shorted. 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: P0103 2015 Ford F150 indicates Mass Or Volume Air Flow Sensor 'A' Circuit High Input.
Common causes: Common causes include Dirty Air Filter, Faulty Mass Airflow (MAF) 'A' Sensor, Mass Airflow 'A' Sensor harness is open or shorted.
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 204

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 21, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0103 2015 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 Sensor output changes above a maximum calibrated limit while the engine is running.

OBDII Code P0103 2015 Ford F150 - Mass Or Volume Air Flow Sensor 'A' Circuit High Input - AutoCodes.com — P0103 2015 Ford F150 Code - Mass Or Volume Air Flow Sensor 'A' Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P0103 2015 Ford F150?

Dirty Air Filter
Faulty Mass Airflow (MAF) 'A' Sensor
Mass Airflow 'A' Sensor harness is open or shorted
Mass Airflow 'A' Sensor circuit poor electrical connection

How to Fix the DTC P0103 2015 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 does this mean?

Code Tech Notes

Before replacing the Mass Air Flow (MAF) Sensor, try replacing the air filter and cleaning the Mass Air Flow Sensor with low-compressed air or a Mass Air Flow Sensor Cleaner. Reset the code and drive the vehicle. If the code comes back, you must replace the Mass Air Flow Sensor to fix the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0103 2015 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.

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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 P0103 2015 Ford F150 Code

1. What does the OBDII code P0103 mean on a 2015 Ford F150?

The P0103 code indicates that the Mass Air Flow (MAF) sensor 'A' circuit is detecting a voltage or signal input that is higher than the expected range. This can affect the engine's ability to calculate the correct air-fuel mixture.

2. What are common symptoms of code P0103 in a 2015 Ford F150?

Symptoms may include a check engine light, rough idling, difficulty starting, stalling, decreased fuel efficiency, and in some cases, the engine might not run smoothly under load.

3. What can cause a P0103 code to appear on a 2015 Ford F150?

Causes can range from a faulty or dirty MAF sensor, a MAF sensor that is improperly installed or disconnected, damaged wiring or connectors to the MAF sensor, or issues with the vehicleâ€™s electrical system or air intake system.

4. How can I fix the P0103 code on a 2015 Ford F150?

Repair steps might include cleaning or replacing the MAF sensor, repairing or replacing damaged wires or connectors, ensuring the MAF sensor is correctly installed, and checking for leaks or obstructions in the air intake system.

5. Is it safe to drive a 2015 Ford F150 with the P0103 code?

While you might be able to drive with this error code, it's advisable to address the issue promptly. Ignoring it can lead to poor performance, higher fuel consumption, and potentially more serious engine problems.

6. How do I check the MAF sensor for issues when diagnosing the P0103 code?

Start by visually inspecting the MAF sensor and its connections for any signs of damage or contamination. You can also check the voltage readings with a multimeter to ensure it matches the specifications in the vehicleâ€™s service manual.

7. Could a P0103 code be triggered by something other than the MAF sensor itself in a 2015 Ford F150?

Yes, while the MAF sensor is a common culprit, the code could also be triggered by air leaks in the intake system, or problems with the vehicleâ€™s electrical system providing higher voltage than normal.

8. What maintenance can prevent the P0103 code on a 2015 Ford F150?

Regular maintenance should include cleaning the MAF sensor, checking for and repairing any leaks or damages in the air intake system, and ensuring all electrical connections are secure and undamaged. Regular vehicle diagnostics can also help catch issues before they result in a check engine light.