AutoCodes – Ford – P0108 2019 Ford F150

P0108 2019 Ford F150 Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

Quick Answer

The Manifold Absolute Pressure (MAP) Sensor is located on the intake manifold and measures the intake manifold pressure. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure 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: P0108 2019 Ford F150 indicates Manifold Absolute Pressure/Barometric Pressure Sensor High Input.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure 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 289

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
Cost to Diagnose
FAQs
Comments
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Code P0108 2019 Ford F150 Description

The Manifold Absolute Pressure (MAP) Sensor is located on the intake manifold and measures the intake manifold pressure. The Powertrain Control Module (PCM) uses this information to determine the air charge and to provide the input for various engine control functions. Under normal operation, the greatest pressure that can exist in the intake manifold is at ignition ON, and engine OFF, which is equal to the Barometric Pressure (BARO). The lowest manifold pressure occurs when the vehicle is idling or decelerating. The ECM monitors the MAP sensor signal for pressure outside of the normal range. The sensor translates this action into electrical resistance. The MAP sensor may be integrated with an Intake Air Temperature (IAT) sensor. The Diagnostic Trouble Code (DTC) will be set when the MAP Sensor operating voltage is greater than the maximum allowable calibrated parameter of 4.96 volts.

OBDII Code P0108 2019 Ford F150 - Manifold Absolute Pressure/Barometric Pressure Sensor High Input - AutoCodes.com — P0108 2019 Ford F150 Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

What does this mean?

What are the Possible Causes of the DTC P0108 2019 Ford F150?

Faulty Manifold Absolute Pressure (MAP) Sensor
Manifold Absolute Pressure Sensor harness is open or shorted
Manifold Absolute Pressure Sensor circuit poor electrical connection

How to Fix the DTC P0108 2019 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 P0108 2019 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 P0108 2019 Ford F150 Code

1. What does the OBDII code P0108 mean on a 2019 Ford F150?

P0108 indicates that the Manifold Absolute Pressure (MAP) sensor is detecting a voltage signal that is higher than the expected range.

2. What are the common symptoms of the P0108 code in a 2019 Ford F150?

Symptoms may include poor engine performance, rough idling, reduced fuel efficiency, hard starting, and the check engine light being illuminated.

3. What can cause the P0108 code on a 2019 Ford F150?

Common causes include a faulty MAP sensor, a vacuum leak, wiring or connector issues, a clogged intake system, or a malfunctioning powertrain control module (PCM).

4. Can a dirty air filter cause the P0108 code on a 2019 Ford F150?

While unlikely, a severely clogged air filter could contribute to airflow issues, potentially affecting MAP sensor readings.

5. How do you diagnose the P0108 code in a 2019 Ford F150?

Diagnosis involves checking the MAP sensor and its wiring for damage, verifying proper vacuum levels, testing the sensorâ€™s voltage output, and inspecting for any intake system blockages.

6. Is it safe to drive a 2019 Ford F150 with the P0108 code?

While the vehicle may still be drivable, driving with this code can lead to poor performance and potential engine damage if not addressed promptly.

7. How do you fix the P0108 code on a 2019 Ford F150?

Repairs may include replacing the MAP sensor, fixing vacuum leaks, repairing damaged wiring, cleaning the intake system, or updating/replacing the PCM if necessary.

8. What tools are needed to troubleshoot the P0108 code on a 2019 Ford F150?

Common tools include an OBDII scanner, a multimeter, and a vacuum gauge to test the MAP sensor and related components.

9. Can a loose electrical connection cause the P0108 code on a 2019 Ford F150?

Yes, a loose or corroded electrical connection to the MAP sensor can cause high input voltage readings and trigger the code.

10. How much does it cost to repair the P0108 code on a 2019 Ford F150?

Repair costs vary but may range from $100 to $300 for parts and labor, depending on whether the MAP sensor needs replacement or if other issues are present.