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P0660 2003 Ford F150 Code - Intake Manifold Tuning Valve circuit Malfunction

Quick Answer

The P0660 diagnostic trouble code (DTC) for a 2003 Ford F150 indicates a malfunction in the Intake Manifold Tuning Valve (IMTV) circuit. Common causes include Faulty Intake Manifold Tuning Valve actuator, Damaged wiring or connectors in the IMTV circuit, Defective PCM. 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
P0660 2003 Ford F150 indicates Intake Manifold Tuning Valve circuit Malfunction.
Common causes
Common causes include Faulty Intake Manifold Tuning Valve actuator, Damaged wiring or connectors in the IMTV circuit, Defective PCM.
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 27, 2024
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Code P0660 2003 Ford F150 Description

The P0660 diagnostic trouble code (DTC) for a 2003 Ford F150 indicates a malfunction in the Intake Manifold Tuning Valve (IMTV) circuit. The IMTV is a component of the engine's intake manifold system that helps to optimize airflow and improve engine performance at different RPM ranges. The IMTV adjusts the length of the intake manifold runners to enhance torque and horsepower output.

OBDII Code P0660 2003 Ford F150 - Intake Manifold Tuning Valve circuit Malfunction
P0660 2003 Ford F150 Code - Intake Manifold Tuning Valve circuit Malfunction

Common Causes of P0660 2003 Ford F150

  1. Faulty Intake Manifold Tuning Valve actuator
  2. Damaged wiring or connectors in the IMTV circuit
  3. Defective PCM
  4. Vacuum leaks in the intake manifold system
  5. Carbon buildup in the intake manifold

Symptoms of P0660 2003 Ford F150

  1. Reduced engine performance
  2. Poor fuel economy
  3. Rough idling or stalling
  4. Hesitation during acceleration
  5. Illumination of the check engine light

How to Fix P0660 2003 Ford F150

  1. Begin by conducting a thorough inspection of the IMTV actuator, wiring, and connectors to identify any visible damage or issues.
  2. Use a multimeter to test the continuity and resistance of the IMTV circuit components, including the actuator and wiring.
  3. Replace any faulty IMTV actuator, damaged wiring, or connectors as needed.
  4. Clear the DTC from the PCM memory using a scan tool and perform a road test to verify that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause of the malfunction.

Cost to Fix P0660 2003 Ford F150

The typical repair costs for addressing a P0660 code on a 2003 Ford F150 can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

What does this mean?

Tech Notes for P0660 2003 Ford F150

The IMTV system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. The test fails when the signal on the monitor pin is more or less than an the expected calibrated range.

When is the Code Detected?

The Engine Control Module (ECM) has detected an improper signal from the Intake Manifold Tuning Valve (IMTV)

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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 P0660 2003 Ford F150 Code

1. What are the common symptoms of OBDII code P0660 on a 2003 Ford F150?

The common symptoms of P0660 include rough idling, decreased engine performance, stalling, and illuminated Check Engine Light on the dashboard.

2. What does the OBDII code P0660 indicate in a 2003 Ford F150?

P0660 indicates a malfunction in the Intake Manifold Tuning Valve (IMTV) circuit of the vehicle.

3. What are the possible causes of the Intake Manifold Tuning Valve circuit malfunction in a 2003 Ford F150?

Possible causes of P0660 can include a faulty IMTV actuator, wiring issues, a damaged IMTV solenoid, or a problem with the IMTV control module.

4. How can I diagnose the Intake Manifold Tuning Valve circuit malfunction in my 2003 Ford F150?

Diagnosing P0660 involves checking the IMTV actuator, inspecting the wiring and connectors for damage, and testing the IMTV solenoid for proper functionality using a multimeter.

5. Is it safe to drive my 2003 Ford F150 with the P0660 code active?

While it may be possible to drive the vehicle with the P0660 code, it is recommended to address the issue promptly to prevent further damage to the engine or emissions system.

6. Can I repair the Intake Manifold Tuning Valve circuit malfunction in my 2003 Ford F150 myself?

Repairing P0660 may require intermediate automotive knowledge and skills. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.

7. How much does it typically cost to fix the Intake Manifold Tuning Valve circuit malfunction in a 2003 Ford F150?

The cost of repairing P0660 can vary depending on the underlying issue. It is advisable to obtain quotes from different repair shops to compare prices.

8. Will resetting the Check Engine Light resolve the P0660 code on a 2003 Ford F150?

Resetting the Check Engine Light may temporarily clear the code, but it is important to address the root cause of the issue to prevent the code from reappearing.

9. Can a faulty Intake Manifold Tuning Valve circuit affect fuel efficiency in a 2003 Ford F150?

Yes, a malfunctioning IMTV circuit can impact fuel efficiency by causing improper air-fuel mixture, leading to decreased engine performance and increased fuel consumption.

10. How long does it take to repair the Intake Manifold Tuning Valve circuit malfunction in a 2003 Ford F150?

The repair time for P0660 can vary depending on the extent of the issue and the availability of parts. It is advisable to consult with a mechanic for a more accurate estimate.

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