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Engine-Codes – Ford – P0351 2006 Ford Fusion

P0351 2006 Ford Fusion Code - Ignition Coil 'A' Primary/Secondary Circuit

Quick Answer

The P0351 code for a 2006 Ford Fusion indicates a problem with the Ignition Coil 'A' Primary/Secondary Circuit. Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Issues with the powertrain control module (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
P0351 2006 Ford Fusion indicates Ignition Coil 'A' Primary/Secondary Circuit .
Common causes
Common causes include Faulty ignition coil, Damaged or corroded wiring in the ignition coil circuit, Issues with the powertrain control module (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 11, 2024
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Code P0351 2006 Ford Fusion Description

The P0351 code for a 2006 Ford Fusion indicates a problem with the Ignition Coil 'A' Primary/Secondary Circuit. The ignition coil is a crucial component in the vehicle's ignition system that converts low voltage power from the battery into the high voltage needed to ignite the fuel-air mixture in the engine cylinders. The primary circuit is responsible for delivering the low voltage power to the coil, while the secondary circuit is in charge of amplifying that power to a level that can create a spark across the spark plug gap.

OBDII Code P0351 2006 Ford Fusion - Ignition Coil 'A' Primary/Secondary Circuit
P0351 2006 Ford Fusion Code - Ignition Coil 'A' Primary/Secondary Circuit

Common Causes of P0351 2006 Ford Fusion

  1. Faulty ignition coil
  2. Damaged or corroded wiring in the ignition coil circuit
  3. Issues with the powertrain control module (PCM)
  4. Poor electrical connections or grounds
  5. Environmental factors such as moisture or heat affecting the ignition system

Symptoms of P0351 2006 Ford Fusion

  1. Check engine light illuminated on the dashboard
  2. Engine misfires or rough idling
  3. Decreased fuel efficiency
  4. Engine stalling or hesitation during acceleration
  5. Loss of power or performance

How to Fix P0351 2006 Ford Fusion

  1. Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the exact location of the fault.
  2. Inspect the wiring and connections related to the ignition coil for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the ignition coil using a multimeter to check for proper resistance and continuity. Replace the ignition coil if it fails the test.
  4. Clear the diagnostic trouble codes from the vehicle's memory and test drive the vehicle to confirm that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to identify any other underlying issues contributing to the code.

Cost to Fix P0351 2006 Ford Fusion

The typical repair costs for addressing the P0351 code on a 2006 Ford Fusion can range from $100 to $300 for parts and labor. This estimate includes the cost of a new ignition coil, any necessary wiring repairs, and the labor involved in diagnosing and fixing the issue. However, actual costs may vary depending on the location, the specific repair shop, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or repair shop for a more accurate estimate based on your vehicle's specific needs.

When is the Code Detected?

Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.

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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 P0351 2006 Ford Fusion Code

1. What does the OBDII code P0351 mean on a 2006 Ford Fusion?

P0351 indicates a malfunction in the Ignition Coil 'A' Primary/Secondary Circuit, meaning the PCM has detected an issue with the electrical circuit connected to the ignition coil.

2. What are the common symptoms of code P0351 in a 2006 Ford Fusion?

Symptoms may include engine misfires, rough idling, reduced power, poor fuel economy, and an illuminated Check Engine Light.

3. What causes the P0351 code in a 2006 Ford Fusion?

Possible causes include a faulty ignition coil, damaged wiring or connectors, a malfunctioning powertrain control module (PCM), or a failed spark plug.

4. Can I drive my 2006 Ford Fusion with a P0351 code?

Driving with a P0351 code is not recommended as it can lead to engine misfires, reduced performance, and potential damage to the catalytic converter.

5. How do I diagnose the P0351 code on a 2006 Ford Fusion?

Start by inspecting the ignition coil, wiring, and connectors for damage. Use a multimeter to check for proper voltage and continuity, and test the ignition coil for functionality.

6. How do I fix the P0351 code on my 2006 Ford Fusion?

Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, replacing the spark plug, or, in rare cases, reprogramming or replacing the PCM.

7. How much does it cost to fix the P0351 code on a 2006 Ford Fusion?

The cost depends on the specific repair. Replacing an ignition coil can cost $100 to $300, while repairing wiring or replacing the PCM may cost more.

8. Can a bad spark plug cause the P0351 code on a 2006 Ford Fusion?

Yes, a faulty spark plug can cause excessive resistance, leading to ignition coil failure and triggering the P0351 code.

9. How do I prevent the P0351 code from recurring on a 2006 Ford Fusion?

Regular maintenance, including timely replacement of ignition coils, spark plugs, and inspecting wiring, can help prevent the P0351 code.

10. Will clearing the P0351 code fix the problem on a 2006 Ford Fusion?

Clearing the code will turn off the Check Engine Light temporarily, but it won’t fix the underlying issue. Proper diagnosis and repair are necessary to resolve the problem.

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