AutoCodes – Ford – P0108 2015 Ford F150

P0108 2015 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 2015 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 241

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 2015 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 2015 Ford F150 - Manifold Absolute Pressure/Barometric Pressure Sensor High Input - AutoCodes.com — P0108 2015 Ford F150 Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

What does this mean?

What are the Possible Causes of the DTC P0108 2015 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 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0108 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 P0108 2015 Ford F150 Code

1. What does the OBDII code P0108 indicate on a 2015 Ford F150?

The P0108 code on a 2015 Ford F150 indicates that the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure Sensor is sending a higher voltage input than expected, which suggests that it might be malfunctioning.

2. What are common symptoms of code P0108 in a 2015 Ford F150?

Common symptoms include a check engine light, poor engine performance, engine stalling, difficulty starting, and erratic behavior such as sudden changes in engine speed.

3. What can cause a P0108 code to appear on my 2015 Ford F150?

Causes of the P0108 code can include a faulty MAP sensor, wiring issues like shorts or open circuits in the MAP sensor harness, vacuum leaks, or a bad electrical connection to the MAP sensor.

4. How can I fix the P0108 code on a 2015 Ford F150?

To fix the P0108 code, inspect and replace the MAP sensor if needed, repair any damaged wires or connectors, check for and seal off any vacuum leaks, and ensure the sensor is receiving proper voltage.

5. Is it safe to drive my 2015 Ford F150 with a P0108 code?

While you might be able to drive with a P0108 code, it's not recommended as it can lead to poor engine performance and potentially cause the engine to stall, which might put you in unsafe driving conditions.

6. What tools are required to diagnose the P0108 code on a 2015 Ford F150?

Diagnosing the P0108 code generally requires a scan tool to read the code and monitor MAP sensor data, a multimeter for checking voltages and resistances, and possibly a vacuum pump to check for leaks in the vacuum system.

7. Could a P0108 code affect the fuel economy of my 2015 Ford F150?

Yes, a P0108 code can affect fuel economy. The engine control unit may not be able to accurately calculate air density and thus could either enrich or lean the fuel mixture improperly, reducing fuel efficiency.

8. How do I reset the P0108 code on my 2015 Ford F150 after repairs?

After repairs, you can reset the P0108 code by using an OBD-II scan tool to clear the code or by disconnecting the battery for a few minutes. However, ensure that all issues are resolved before clearing the code to avoid recurring problems.

9. What should I check first when troubleshooting a P01010 code on my 2015 Ford F150?

Initially, check the MAP sensor itself for any signs of damage or contamination. Also, inspect the electrical connector and wiring to the sensor for any signs of corrosion, damage, or loose connections.