Engine-CodesFord – P0352 2007 Ford Fusion

P0352 2007 Ford Fusion Code - Ignition Coil 'B' Primary/Secondary Circuit

Quick Answer

The P0352 diagnostic trouble code (DTC) for a 2007 Ford Fusion refers to an issue with the Ignition Coil 'B' Primary/Secondary Circuit. Common causes include Faulty ignition coil, Damaged wiring harness, Defective spark plugs. 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
P0352 2007 Ford Fusion indicates Ignition Coil 'B' Primary/Secondary Circuit .
Common causes
Common causes include Faulty ignition coil, Damaged wiring harness, Defective spark plugs.
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 Sep 17, 2024
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Code P0352 2007 Ford Fusion Description

The P0352 diagnostic trouble code (DTC) for a 2007 Ford Fusion refers to an issue with the Ignition Coil 'B' Primary/Secondary Circuit. This code indicates that there is a malfunction in the electrical circuit that controls the ignition coil for cylinder 'B'. The ignition coil is a crucial component of the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine cylinders. When the ignition coil circuit malfunctions, it can lead to misfires, poor engine performance, and even engine stalling.

OBDII Code P0352 2007 Ford Fusion - Ignition Coil 'B' Primary/Secondary Circuit
P0352 2007 Ford Fusion Code - Ignition Coil 'B' Primary/Secondary Circuit

Common Causes of P0352 2007 Ford Fusion

  1. Faulty ignition coil
  2. Damaged wiring harness
  3. Defective spark plugs
  4. Issues with the engine control module (ECM)
  5. Poor electrical connection

Symptoms of P0352 2007 Ford Fusion

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Engine stalling
  5. Illuminated check engine light

How to Fix P0352 2007 Ford Fusion

  1. Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the faulty ignition coil 'B'.
  2. Inspect the wiring harness for any damage or loose connections. Repair or replace as necessary.
  3. Test the ignition coil for proper functionality. Replace if found to be faulty.
  4. Check and replace the spark plugs if needed.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0352 2007 Ford Fusion

The typical repair costs for addressing the Ignition Coil 'B' Primary/Secondary Circuit issue on a 2007 Ford Fusion can range from $150 to $300, including parts and labor. However, it's important to note that 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. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to check local rates for a more precise estimate.

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 P0352 2007 Ford Fusion Code

1. What does OBDII code P0352 for a 2007 Ford Fusion indicate?

- P0352 indicates a problem with the ignition coil 'B' primary/secondary circuit.

2. What are the common symptoms of OBDII code P0352 on a 2007 Ford Fusion?

- Common symptoms include engine misfires, rough idling, lack of power, and illuminated Check Engine light.

3. What are the possible causes of OBDII code P0352 on a 2007 Ford Fusion?

- Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the PCM (Powertrain Control Module).

4. How can I diagnose the issue related to OBDII code P0352 on my 2007 Ford Fusion?

- You can diagnose the problem by performing a visual inspection of the ignition coil and its connections, checking for damaged wires, and using a multimeter to test the coil's resistance.

5. Can I still drive my 2007 Ford Fusion with OBDII code P0352?

- It is not recommended to continue driving with code P0352 as it can lead to further damage to the ignition system and potentially cause more serious issues.

6. How can I repair OBDII code P0352 on a 2007 Ford Fusion?

- Repair options include replacing the faulty ignition coil, repairing any damaged wiring or connectors, and clearing the trouble codes with a diagnostic scanner.

7. Is it necessary to reset the PCM after repairing OBDII code P0352 on a 2007 Ford Fusion?

- Yes, it is recommended to reset the PCM after making repairs to ensure that the system recognizes the changes and clears any stored fault codes.

8. Can a DIY enthusiast fix OBDII code P0352 on a 2007 Ford Fusion?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to replace the ignition coil or repair wiring issues associated with code P0352.

9. How much does it typically cost to repair OBDII code P0352 on a 2007 Ford Fusion at a mechanic?

- The cost of repairs for code P0352 can vary but generally ranges from $100 to $300, including parts and labor.

10. Will OBDII code P0352 on a 2007 Ford Fusion affect fuel efficiency?

- Yes, unresolved ignition coil issues can lead to decreased fuel efficiency due to engine misfires and inefficient combustion.

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