Engine-CodesFord – P1507 2002 Ford F150

P1507 2002 Ford F150 Code - Idle Air Control Under Speed Error

Quick Answer

The P1507 code for a 2002 Ford F150 indicates an "Idle Air Control Under Speed Error." This means that the vehicle's computer has detected that the idle air control system is not operating within the specified parameters. Common causes include Dirty or faulty idle air control valve, Vacuum leaks, Wiring or electrical issues. 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 2002 Ford F150 indicates Idle Air Control Under Speed Error.
Common causes
Common causes include Dirty or faulty idle air control valve, Vacuum leaks, Wiring or electrical issues.
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.
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code P1507 2002 Ford F150 Description

The P1507 code for a 2002 Ford F150 indicates an "Idle Air Control Under Speed Error." This means that the vehicle's computer has detected that the idle air control system is not operating within the specified parameters. The idle air control valve is responsible for regulating the amount of air entering the engine during idle conditions to maintain a stable idle speed. If this system is not functioning properly, it can lead to erratic idling, stalling, or poor engine performance.

OBDII Code P1507 2002 Ford F150 - Idle Air Control Under Speed Error
P1507 2002 Ford F150 Code - Idle Air Control Under Speed Error

Common Causes of P1507 2002 Ford F150

  1. Dirty or faulty idle air control valve
  2. Vacuum leaks
  3. Wiring or electrical issues
  4. Throttle body issues
  5. Carbon buildup in the intake system

Symptoms of P1507 2002 Ford F150

  1. Rough or erratic idle
  2. Stalling at idle
  3. Engine surging
  4. Poor acceleration
  5. Check Engine Light illuminated

How to Fix P1507 2002 Ford F150

  1. Diagnose the issue using a scan tool to verify the P1507 code and check for any other related codes.
  2. Inspect the idle air control valve for dirt or damage and clean or replace if necessary.
  3. Check for any vacuum leaks in the intake system and repair as needed.
  4. Inspect the wiring and connectors related to the idle air control system for any damage or corrosion.
  5. Perform a throttle body cleaning to remove any carbon buildup that may be affecting idle air control.

Cost to Fix P1507 2002 Ford F150

The cost of repairing a P1507 code on a 2002 Ford F150 can vary depending on the specific cause of the issue. Typically, the cost of parts such as a new idle air control valve can range from $50 to $200. Labor costs can vary, but you can expect to pay between $100 and $300 for the repair. It's important to note that these are rough estimates, and actual costs may differ based on the location and the repair shop's rates.

Tech Notes for P1507 2002 Ford F150

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.

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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 2002 Ford F150 Code

1. What are the common symptoms of OBDII code P1507 on a 2002 Ford F150?

- Common symptoms include rough idling, stalling at low speeds, and poor engine performance.

2. What does the OBDII code P1507 "Idle Air Control Under Speed Error" indicate in a 2002 Ford F150?

- This code indicates that the engine's idle air control system is not functioning properly, leading to issues with idle speed control.

3. What are the possible causes of OBDII code P1507 on a 2002 Ford F150?

- Possible causes include a faulty idle air control valve, vacuum leaks, a dirty throttle body, or issues with the engine's intake system.

4. How can I diagnose the cause of OBDII code P1507 on my 2002 Ford F150?

- You can start by checking for vacuum leaks, inspecting the idle air control valve, cleaning the throttle body, and performing a scan tool test to monitor idle control.

5. Can I continue driving my 2002 Ford F150 with OBDII code P1507 present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further engine issues and potential safety concerns.

6. How can I repair OBDII code P1507 on a 2002 Ford F150?

- Depending on the cause, you may need to replace the idle air control valve, fix any vacuum leaks, clean the throttle body, or address any other related issues.

7. Is OBDII code P1507 a common issue in 2002 Ford F150 vehicles?

- While not extremely common, some 2002 Ford F150 owners have reported experiencing this issue related to the idle air control system.

8. Can a DIY enthusiast fix OBDII code P1507 on a 2002 Ford F150?

- Depending on your level of automotive knowledge and experience, you may be able to diagnose and address this issue yourself with the proper tools and resources.

9. How much does it typically cost to repair OBDII code P1507 on a 2002 Ford F150 at a repair shop?

- Repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $100 to $500 for parts and labor.

10. Will resetting the OBDII code P1507 on my 2002 Ford F150 make the issue go away?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to return.

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