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P0104 2017 Ford F150 Code - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent

Quick Answer

The P0104 diagnostic trouble code (DTC) for a 2017 Ford F150 indicates an issue with the Mass or Volume Air Flow Sensor 'A' circuit intermittently sending signals to the Engine Control Module (ECM). Common causes include Faulty MAF sensor, Wiring or connector issues in the MAF sensor circuit, Dirty or contaminated MAF sensor. 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
P0104 2017 Ford F150 indicates Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent.
Common causes
Common causes include Faulty MAF sensor, Wiring or connector issues in the MAF sensor circuit, Dirty or contaminated MAF sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0104 2017 Ford F150 Description

The P0104 diagnostic trouble code (DTC) for a 2017 Ford F150 indicates an issue with the Mass or Volume Air Flow Sensor 'A' circuit intermittently sending signals to the Engine Control Module (ECM). The Mass Air Flow (MAF) sensor measures the amount of air entering the engine to calculate the appropriate air-fuel mixture for combustion. When this circuit is intermittent, it can lead to incorrect air-fuel ratios, affecting engine performance, fuel efficiency, and emissions.

OBDII Code P0104 2017 Ford F150 - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent
P0104 2017 Ford F150 Code - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent

Common Causes of P0104 2017 Ford F150

  1. Faulty MAF sensor
  2. Wiring or connector issues in the MAF sensor circuit
  3. Dirty or contaminated MAF sensor
  4. Vacuum leaks in the intake system
  5. ECM software or hardware issues

Symptoms of P0104 2017 Ford F150

  1. Decreased engine performance or rough idle
  2. Reduced fuel efficiency
  3. Engine stalling or hesitation
  4. Check Engine Light illuminated
  5. Poor acceleration or response to throttle input

How to Fix P0104 2017 Ford F150

  1. Begin by verifying the DTC using a scan tool and checking for any related freeze frame data.
  2. Inspect the MAF sensor and its wiring for any visible damage or contamination. Clean the sensor if necessary.
  3. Test the MAF sensor using a multimeter to ensure it is functioning within specifications.
  4. Check the intake system for vacuum leaks and repair any leaks found.
  5. Clear the DTC and perform a test drive to verify that the issue has been resolved.

Cost to Fix P0104 2017 Ford F150

The cost of repairing a P0104 code on a 2017 Ford F150 can vary depending on the specific cause of the issue. In general, the cost of replacing a MAF sensor can range from $100 to $400, including parts and labor. Additional costs may apply if wiring repairs or other components need attention. It is recommended to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed. Labor rates can range from $80 to $150 per hour at most auto repair shops.

What does this mean?

Tech Notes for P0104 2017 Ford F150

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.

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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 P0104 2017 Ford F150 Code

1. What does the OBDII code P0104 indicate on a 2017 Ford F150?

The P0104 code indicates that there is an intermittent signal from the Mass Air Flow (MAF) sensor 'A' to the Engine Control Module (ECM), suggesting fluctuations or irregularities in the sensor's readings or its circuit.

2. What are the common symptoms of code P0104 in a 2017 Ford F150?

Symptoms may include a rough idle, decreased fuel efficiency, engine stalling, hesitation during acceleration, and the Check Engine Light turning on.

3. What can cause the P0104 code to appear on a 2017 Ford F150?

Possible causes include a faulty or dirty MAF sensor, loose or corroded connections in the MAF sensor circuit, a vacuum leak near the MAF sensor, or a problem with the ECM itself.

4. How can I diagnose the P0104 code in my 2017 Ford F150?

Start by inspecting the MAF sensor and its connections for any signs of damage or corrosion. Check for any loose or disconnected vacuum hoses around the sensor. Use an OBDII scanner to check for additional diagnostic trouble codes and to monitor the MAF sensor's output while the engine is running.

5. What are the repair steps for addressing code P0104 on a 2017 Ford F150?

First, clean the MAF sensor using a specialized cleaner. If the issue persists, check and repair any faulty wiring or connectors in the MAF sensor circuit. If these steps do not resolve the problem, consider replacing the MAF sensor.

6. Can I drive my 2017 Ford F150 with the P0104 code active?

While you can technically still drive, it's not recommended as the engine might perform poorly, stall, or use more fuel than usual. It's best to address the issue promptly to avoid potential further damage to the engine.

7. What tools are needed to fix the P0104 code on a 2017 Ford F150?

You'll need a digital multimeter to check the MAF sensor and circuit continuity, a specialized MAF sensor cleaner, and basic hand tools for removing and installing the sensor or related components.

8. How much does it typically cost to resolve code P0104 in a 2017 Ford F150?

The cost can vary, but generally, cleaning the MAF sensor might cost around $50 to $100 if done professionally. If a MAF sensor replacement is needed, the parts and labor can range from $200 to $400 depending on the sensor's cost and the labor rates.

9. Is the P0104 code a serious concern for the overall health of a 2017 Ford F150?

Yes, it should be taken seriously as an improperly functioning MAF sensor can lead to decreased engine performance, increased emissions, and potentially more serious engine issues if not addressed in a timely manner.

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