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Engine-Codes – Ford – P0108 2009 Ford Fusion

P0108 2009 Ford Fusion Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

Quick Answer

The P0108 code for a 2009 Ford Fusion indicates a problem with the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure Sensor. Common causes include Faulty MAP sensor, Wiring or connector issues in the sensor circuit, Vacuum leaks in the intake manifold. 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 2009 Ford Fusion indicates Manifold Absolute Pressure/Barometric Pressure Sensor High Input.
Common causes
Common causes include Faulty MAP sensor, Wiring or connector issues in the sensor circuit, Vacuum leaks in the intake manifold.
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 Sep 10, 2024
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Code P0108 2009 Ford Fusion Description

The P0108 code for a 2009 Ford Fusion indicates a problem with the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure Sensor. The MAP sensor measures the pressure inside the intake manifold, which helps the engine control module (ECM) determine the correct air-fuel mixture for combustion. The Barometric Pressure Sensor monitors the atmospheric pressure outside the vehicle, which is used by the ECM to adjust fuel delivery.

OBDII Code P0108 2009 Ford Fusion - Manifold Absolute Pressure/Barometric Pressure Sensor High Input
P0108 2009 Ford Fusion Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input

Common Causes of P0108 2009 Ford Fusion

  1. Faulty MAP sensor
  2. Wiring or connector issues in the sensor circuit
  3. Vacuum leaks in the intake manifold
  4. Clogged or dirty air filter restricting airflow
  5. Issues with the ECM or related control modules

Symptoms of P0108 2009 Ford Fusion

  1. Decreased fuel efficiency
  2. Rough idling or surging
  3. Engine hesitation during acceleration
  4. Illuminated check engine light
  5. Engine stalling or misfiring

How to Fix P0108 2009 Ford Fusion

  1. Use a diagnostic scanner to retrieve the trouble code and verify the high input from the MAP sensor.
  2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace as necessary.
  3. Check for vacuum leaks in the intake manifold and repair any leaks found.
  4. Clean or replace the air filter to ensure proper airflow to the engine.
  5. If the issue persists, replace the MAP sensor with a new one and reset the ECM to clear the code.

Cost to Fix P0108 2009 Ford Fusion

The cost of repairing a P0108 code on a 2009 Ford Fusion can vary depending on the root cause of the issue. On average, replacing a MAP sensor can cost between $100 and $200, including parts and labor. Additional costs may apply if other components need to be replaced or repaired. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate based on the specific circumstances of your vehicle. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may vary based on location and shop type.

What does this mean?

Tech Notes for P0108 2009 Ford Fusion

You can try to clean the MAP (Manifold Absolute Pressure) sensor with a mass air flow sensor cleaner.

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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 2009 Ford Fusion Code

1. What are the common symptoms of OBDII code P0108 on a 2009 Ford Fusion?

- Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, and in some cases, the vehicle may go into limp mode.

2. What does the OBDII code P0108 for a 2009 Ford Fusion indicate?

- This code indicates that there is a high input from the Manifold Absolute Pressure (MAP) or Barometric Pressure Sensor.

3. What are the possible causes of OBDII code P0108 on a 2009 Ford Fusion?

- The possible causes include a faulty MAP sensor, damaged wiring or connectors, a clogged or dirty MAP sensor, or issues with the engine's vacuum system.

4. How can I diagnose the cause of OBDII code P0108 on my 2009 Ford Fusion?

- You can diagnose the issue by visually inspecting the sensor and its connections, testing the sensor's voltage with a multimeter, checking for vacuum leaks, and using a scan tool to monitor sensor data.

5. Can I drive my 2009 Ford Fusion with OBDII code P0108?

- It is not recommended to drive the vehicle with this code as it can lead to further damage and poor performance. It is best to address the issue promptly.

6. How can I repair OBDII code P0108 on my 2009 Ford Fusion?

- The repair typically involves replacing the faulty MAP sensor, cleaning or replacing any clogged components, checking and repairing wiring/connectors, and clearing the trouble code.

7. Will resetting the OBDII code P0108 on a 2009 Ford Fusion make it go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear.

8. Can a DIY enthusiast fix OBDII code P0108 on a 2009 Ford Fusion?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to replace the MAP sensor or clean components to address the issue.

9. How much does it cost to repair OBDII code P0108 on a 2009 Ford Fusion at a mechanic?

- The cost of repairing this code can vary depending on the labor rates, parts needed, and any additional repairs required. It is best to consult with a mechanic for an accurate estimate.

10. Are there any preventive measures to avoid OBDII code P0108 on a 2009 Ford Fusion?

- Regularly maintaining your vehicle, checking the sensor connections, ensuring proper vacuum system function, and addressing any issues promptly can help prevent this code from appearing.

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