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Engine-Codes – Ford – P2004 2008 Ford Fusion

P2004 2008 Ford Fusion Code - Intake Manifold Runner Control Stuck Open Bank 1

Quick Answer

The P2004 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates a problem with the Intake Manifold Runner Control (IMRC) system being stuck open on Bank 1. Common causes include Failed IMRC actuator, Malfunctioning IMRC linkage, Electrical issues such as wiring problems or a faulty 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
P2004 2008 Ford Fusion indicates Intake Manifold Runner Control Stuck Open Bank 1.
Common causes
Common causes include Failed IMRC actuator, Malfunctioning IMRC linkage, Electrical issues such as wiring problems or a faulty 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 Sep 11, 2024
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Code P2004 2008 Ford Fusion Description

The P2004 diagnostic trouble code (DTC) for a 2008 Ford Fusion indicates a problem with the Intake Manifold Runner Control (IMRC) system being stuck open on Bank 1. The IMRC system is responsible for adjusting the length of the intake manifold runners to optimize engine performance based on speed and load conditions. When the intake manifold runner control is stuck open, it can lead to poor engine performance, reduced fuel efficiency, and potentially cause drivability issues.

OBDII Code P2004 2008 Ford Fusion - Intake Manifold Runner Control Stuck Open Bank 1
P2004 2008 Ford Fusion Code - Intake Manifold Runner Control Stuck Open Bank 1

Common Causes of P2004 2008 Ford Fusion

  1. Failed IMRC actuator
  2. Malfunctioning IMRC linkage
  3. Electrical issues such as wiring problems or a faulty sensor
  4. Vacuum leaks in the intake manifold
  5. Carbon buildup in the intake manifold

Symptoms of P2004 2008 Ford Fusion

  1. Loss of power or acceleration
  2. Rough idling or stalling
  3. Decreased fuel efficiency
  4. Hesitation during acceleration
  5. Check engine light illuminated on the dashboard

How to Fix P2004 2008 Ford Fusion

  1. Diagnose the issue by using a scan tool to confirm the P2004 code and inspecting the IMRC system for any visible damage or signs of malfunction.
  2. Clean the intake manifold and throttle body to remove any carbon buildup that may be affecting the IMRC operation.
  3. Replace the IMRC actuator or linkage if they are found to be faulty.
  4. Check for and repair any vacuum leaks in the intake manifold.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2004 2008 Ford Fusion

The cost of repairing a P2004 code on a 2008 Ford Fusion can vary depending on the extent of the issue and the specific parts that need replacement. Generally, the parts for repairing the IMRC system can range from $100 to $300, while the labor costs can be anywhere from $150 to $400. Therefore, the total repair cost for this issue could be between $250 and $700. It's important to note that these are rough estimates, and actual costs may vary based on the repair shop's rates and any additional services that may be required. It's recommended to obtain quotes from multiple auto repair shops to ensure a competitive price.

What does this mean?

Tech Notes for P2004 2008 Ford Fusion









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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 P2004 2008 Ford Fusion Code

1. What does the OBDII code P2004 on a 2008 Ford Fusion indicate?

The code P2004 indicates a problem with the Intake Manifold Runner Control (IMRC) system, specifically that the intake manifold runner on Bank 1 is stuck open.

2. What are the common symptoms of a stuck open Intake Manifold Runner Control on a Ford Fusion?

Common symptoms include rough idling, decreased engine performance, reduced fuel efficiency, and the illumination of the check engine light.

3. What are the possible causes of the Intake Manifold Runner Control being stuck open on a 2008 Ford Fusion?

The most common causes include a faulty IMRC actuator, damaged linkage or control module, vacuum leaks, or carbon buildup in the intake manifold.

4. How can I diagnose the issue causing the P2004 code on my 2008 Ford Fusion?

Diagnosing the issue may involve inspecting the IMRC components for damage, checking for vacuum leaks, performing a visual inspection of the intake manifold, and using a scan tool to monitor IMRC operation.

5. Can I drive my 2008 Ford Fusion with the P2004 code present?

It is not recommended to drive the vehicle with the P2004 code present, as it can lead to reduced engine performance and potential damage if left unresolved.

6. How can I repair a stuck open Intake Manifold Runner Control on my 2008 Ford Fusion?

Repair may involve replacing the faulty IMRC actuator, repairing or replacing damaged components, cleaning carbon buildup in the intake manifold, and ensuring proper operation of the IMRC system.

7. Will clearing the P2004 code make it go away permanently on my 2008 Ford Fusion?

Clearing the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to return.

8. Can I fix the Intake Manifold Runner Control issue on my 2008 Ford Fusion myself?

Depending on your mechanical skills and access to tools, you may be able to perform the repairs yourself, but it is recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

9. How much does it typically cost to repair a stuck open Intake Manifold Runner Control on a 2008 Ford Fusion?

The cost of repairs can vary depending on the specific issue causing the code, but it may range from $200 to $600, including parts and labor.

10. Are there any preventive maintenance measures I can take to avoid the P2004 code on my 2008 Ford Fusion?

Regularly servicing your vehicle, including cleaning the intake system and using quality fuel, can help prevent carbon buildup and potential issues with the Intake Manifold Runner Control.

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