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Engine-Codes – Ford – P1507 2009 Ford Fusion

P1507 2009 Ford Fusion Code - Idle Air Control Under Speed Error

Quick Answer

The P1507 diagnostic trouble code for a 2009 Ford Fusion indicates an "Idle Air Control Under Speed Error." This code is specifically related to the idle air control system in the vehicle. Common causes include Faulty idle air control valve, Carbon buildup on the idle air control valve, Vacuum leak in the system. 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
P1507 2009 Ford Fusion indicates Idle Air Control Under Speed Error.
Common causes
Common causes include Faulty idle air control valve, Carbon buildup on the idle air control valve, Vacuum leak in the system.
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 18, 2024
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Code P1507 2009 Ford Fusion Description

The P1507 diagnostic trouble code for a 2009 Ford Fusion indicates an "Idle Air Control Under Speed Error." This code is specifically related to the idle air control system in the vehicle. The idle air control (IAC) valve is responsible for regulating the amount of air entering the engine when the throttle is closed. This ensures that the engine maintains a steady idle speed. When the PCM (Powertrain Control Module) detects that the idle speed is lower than expected, it triggers the P1507 code.

OBDII Code P1507 2009 Ford Fusion - Idle Air Control Under Speed Error
P1507 2009 Ford Fusion Code - Idle Air Control Under Speed Error

Common Causes of P1507 2009 Ford Fusion

  1. Faulty idle air control valve
  2. Carbon buildup on the idle air control valve
  3. Vacuum leak in the system
  4. Dirty throttle body
  5. Malfunctioning PCM

Symptoms of P1507 2009 Ford Fusion

  1. Rough or unstable idle
  2. Engine stalling at stops
  3. Hesitation or surging during acceleration
  4. Decreased fuel efficiency
  5. Engine running lean or rich

How to Fix P1507 2009 Ford Fusion

  1. Begin by diagnosing the issue using a scan tool to confirm the P1507 code and identify any other related codes.
  2. Inspect the idle air control valve and clean or replace it if necessary.
  3. Check for any vacuum leaks in the system and repair as needed.
  4. Clean the throttle body to ensure proper airflow.
  5. Test the system after repairs are completed to confirm that the issue has been resolved.

Cost to Fix P1507 2009 Ford Fusion

The cost of repairing a P1507 code on a 2009 Ford Fusion can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $50 to $200, with labor costs adding an additional $100 to $200. Overall, the total repair cost could range from $150 to $400. It is important to note that these are rough estimates and actual costs may vary based on the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It is recommended to obtain quotes from local auto repair shops for a more accurate cost estimate.

What does this mean?

Tech Notes for P1507 2009 Ford Fusion

The P1507 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up. Disconnect the car battery, remove the valve, clean, re-install valve, and drive the vehicle for about 5 minutes with the headlights and A/C ON to get the idle relearned.

If the problem persistss, the IAC valve may need to be replaced.

When is the Code Detected?

The P1507 code sets when the Powertrain Control Module (PCM) detects an engine idle speed that is less than the desired RPM.

Need more information about the P1507 2009 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 P1507 2009 Ford Fusion Code

1. What does OBDII code P1507 on a 2009 Ford Fusion indicate?

The P1507 code specifically refers to the "Idle Air Control Under Speed Error" on a 2009 Ford Fusion, signaling an issue with the idle air control system.

2. What are some common symptoms of OBDII code P1507 on a 2009 Ford Fusion?

Common symptoms include rough idling, stalling at low speeds, fluctuating RPMs, and potential engine misfires.

3. What are possible causes of OBDII code P1507 on a 2009 Ford Fusion?

Potential causes can include a malfunctioning idle air control valve (IAC), a vacuum leak, dirty throttle body, or issues with the engine's computer system.

4. How can I diagnose the source of OBDII code P1507 on a 2009 Ford Fusion?

Diagnosis typically involves checking the idle air control valve for proper operation, inspecting vacuum lines for leaks, cleaning the throttle body, and scanning the vehicle's computer for any related fault codes.

5. Can I continue driving my 2009 Ford Fusion with OBDII code P1507?

It is not recommended to drive with the P1507 code present, as it can lead to potential engine performance issues and even stalling while driving.

6. How can I repair OBDII code P1507 on a 2009 Ford Fusion?

Repair methods may involve replacing the idle air control valve, fixing any vacuum leaks, cleaning the throttle body, and resetting the engine's computer system.

7. Is it possible to clear OBDII code P1507 on a 2009 Ford Fusion without repairing the issue?

While clearing the code may temporarily turn off the check engine light, it is crucial to address the underlying problem to prevent further issues with the idle air control system.

8. How much does it typically cost to fix OBDII code P1507 on a 2009 Ford Fusion?

The cost of repairs can vary depending on the specific cause of the issue, but it may range from a simple DIY fix to more extensive repairs at a mechanic, potentially costing a few hundred dollars.

9. Can a DIY enthusiast repair OBDII code P1507 on a 2009 Ford Fusion?

Some basic repairs like cleaning the throttle body or checking for vacuum leaks can be done by a DIY enthusiast, but more complex issues may require professional assistance.

10. Will OBDII code P1507 on a 2009 Ford Fusion affect fuel efficiency?

Yes, unresolved issues related to the idle air control system can impact fuel efficiency by causing the engine to run inefficiently and potentially waste fuel.

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