AutoCodesFord – P2004 2011 Ford Fusion

P2004 2011 Ford Fusion Code - Intake Manifold Runner Control Stuck Open Bank 1

Quick Answer

The Intake Manifold Runner Control (IMRC) is an electrically actuated system consisting of a motorized actuator with an attaching linkage for each housing on each bank. Common causes include Faulty Intake Manifold Runner Control (IMRC) Solenoid, Intake Manifold Runner Control Solenoid is open or shorted, Intake Manifold Runner Control Solenoid 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
P2004 2011 Ford Fusion indicates Intake Manifold Runner Control Stuck Open Bank 1.
Common causes
Common causes include Faulty Intake Manifold Runner Control (IMRC) Solenoid, Intake Manifold Runner Control Solenoid is open or shorted, Intake Manifold Runner Control Solenoid 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 3,070
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 03, 2022
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Code P2004 2011 Ford Fusion Description

The Intake Manifold Runner Control (IMRC) is an electrically actuated system consisting of a motorized actuator with an attaching linkage for each housing on each bank. The linkage attaches to the housing butterfly plate levers. Each IMRC housing is an aluminum casting with two intake air passages for each cylinder. One passage is always open, and the other is opened and closed with a butterfly valve plate. The housing uses a return spring to hold the plates closed. The motorized actuator houses internal switches to provide feedback to the Powertrain Control Module (PCM), indicating linkage and plate position. Under about 3000 rpm, the vacuum solenoid will be energized. This will allow the manifold vacuum to be applied and the butterfly valve plates to stay closed. Above approximately 3000 rpm, the vacuum solenoid will be de-energized. This will allow a vacuum to vent from the actuator and the butterfly valve plates to open. The Diagnostic Trouble Code (DTC) sets when the IMRC is commanded close, but the IMRC monitor indicates open.
OBDII Code P2004 2011 Ford Fusion - Intake Manifold Runner Control Stuck Open Bank 1 - AutoCodes.com
P2004 2011 Ford Fusion Code - Intake Manifold Runner Control Stuck Open Bank 1

What are the Possible Causes of the DTC P2004 2011 Ford Fusion?

  • Faulty Intake Manifold Runner Control (IMRC) Solenoid
  • Intake Manifold Runner Control Solenoid is open or shorted
  • Intake Manifold Runner Control Solenoid circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P2004 2011 Ford Fusion?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2004 2011 Ford Fusion 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 P2004 2011 Ford Fusion code?

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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 2011 Ford Fusion Code

1. What does OBDII code P2004 on a 2011 Ford Fusion mean?

The code P2004 indicates an issue with the Intake Manifold Runner Control (IMRC) system, specifically that the control is stuck open on Bank 1.

2. What are the common symptoms of a stuck open Intake Manifold Runner Control on a 2011 Ford Fusion?

Common symptoms include a rough idle, decreased engine performance, poor fuel economy, and potentially an illuminated check engine light.

3. What are the possible causes of the Intake Manifold Runner Control being stuck open on a 2011 Ford Fusion?

Potential causes include a faulty IMRC actuator, a broken linkage, carbon buildup in the intake manifold, or electrical issues with the IMRC system.

4. How can I diagnose the cause of the Intake Manifold Runner Control being stuck open on my 2011 Ford Fusion?

Diagnosis typically involves checking for vacuum leaks, inspecting the IMRC actuator and linkage for proper function, scanning for trouble codes, and performing a visual inspection of the intake manifold components.

5. Can I drive my 2011 Ford Fusion with the Intake Manifold Runner Control stuck open?

While driving with a stuck open IMRC may be possible, it is not recommended as it can lead to decreased engine performance, potential damage to other components, and reduced fuel efficiency.

6. Is it safe to continue driving my 2011 Ford Fusion if the check engine light is on due to code P2004?

It is generally not recommended to ignore the check engine light related to code P2004, as it signifies a problem with the IMRC system that can impact the vehicle's performance and efficiency.

7. How can I fix the Intake Manifold Runner Control being stuck open on my 2011 Ford Fusion?

Repair options may include cleaning the intake manifold, replacing the IMRC actuator or linkage, addressing any vacuum leaks, or resetting the IMRC system using a diagnostic tool.

8. Can a DIY enthusiast repair the Intake Manifold Runner Control issue on a 2011 Ford Fusion?

Depending on the specific cause of the problem, some DIY enthusiasts may be able to address issues like cleaning the intake manifold or replacing the IMRC actuator. However, more complex repairs may require professional assistance.

9. How much does it typically cost to repair the Intake Manifold Runner Control issue on a 2011 Ford Fusion?

Repair costs can vary widely depending on the root cause of the problem, the need for replacement parts, and whether the repair is performed by a professional mechanic or done DIY. Costs can range from $100 to $500 or more.

10. How often does the Intake Manifold Runner Control issue occur in 2011 Ford Fusion vehicles?

While not extremely common, issues with the IMRC system can occur in 2011 Ford Fusion vehicles, particularly as they age and accumulate mileage. Regular maintenance and inspections can help prevent such problems.

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