AutoCodes – Lincoln – P0104 Lincoln

P0104 Lincoln Code - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent

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: P0104 Lincoln indicates Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent.
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 1,609

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
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0104 Lincoln 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 a concern exists in the MAF circuit, or the air tube containing the MAF Sensor, causing an incorrect sensor output reading.

OBDII Code P0104 Lincoln - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent - AutoCodes.com — P0104 Lincoln Code - Mass Or Volume Air Flow Sensor 'A' Circuit Intermittent

What does this mean?

What are the Possible Causes of the DTC P0104 Lincoln?

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 P0104 Lincoln?

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 P0104 Lincoln 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 P0104 Lincoln code?

Need more information on how to fix the P0104 Lincoln code? Get Access to Factory Service Manuals

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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 Lincoln Code

1. What does the OBDII code P0104 mean for a Lincoln vehicle?

P0104 indicates an intermittent issue with the Mass Air Flow (MAF) sensor 'A' circuit, which measures the air entering the engine for optimal fuel-air mixture.

2. What are the common symptoms of a P0104 code in a Lincoln?

Symptoms may include rough idling, poor acceleration, decreased fuel efficiency, stalling, and the check engine light turning on.

3. What causes the P0104 code to appear in a Lincoln?

Causes include a faulty MAF sensor, damaged wiring or connectors, air intake leaks, or contamination on the MAF sensor.

4. Can a dirty air filter cause a P0104 code?

Yes, a dirty air filter can restrict airflow and contribute to MAF sensor issues, potentially triggering the P0104 code.

5. How can I fix the P0104 code on my Lincoln?

Start by inspecting and cleaning the MAF sensor, checking for damaged wiring or connectors, and replacing the air filter if needed. If the issue persists, the MAF sensor may need replacement.

6. Is it safe to drive my Lincoln with a P0104 code?

Driving with a P0104 code is not recommended, as it can lead to poor engine performance and potential damage if left unresolved.

7. How do I clean the MAF sensor to resolve a P0104 code?

Use a specialized MAF sensor cleaner, carefully spray the sensor without touching it, and allow it to dry completely before reinstalling.

8. Can a vacuum leak cause the P0104 code?

Yes, a vacuum leak can disrupt airflow measurements, leading to an intermittent MAF sensor signal and triggering the P0104 code.

9. How much does it cost to fix a P0104 code on a Lincoln?

The cost varies but typically ranges from $100 to $400, depending on whether the MAF sensor needs cleaning, repair, or replacement.

10. Will resetting the check engine light fix the P0104 code?

Resetting the light may temporarily clear the code, but the underlying issue must be addressed to prevent the code from returning.

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