AutoCodes – Ford – P0355 2007 Ford Fusion

P0355 2007 Ford Fusion Code - Ignition Coil 'E' Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection. 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: P0355 2007 Ford Fusion indicates Ignition Coil 'E' Primary/Secondary Circuit .
Common causes: Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 circuit poor electrical connection.
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.

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Code Popularity 6,013

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0355 2007 Ford Fusion Description

The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.

OBDII Code P0355 2007 Ford Fusion - Ignition Coil 'E' Primary/Secondary Circuit - AutoCodes.com — P0355 2007 Ford Fusion Code - Ignition Coil 'E' Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0355 2007 Ford Fusion?

Faulty Ignition Coil 5
Ignition Coil 5 harness is open or shorted
Ignition Coil 5 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0355 2007 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0355 2007 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0355 2007 Ford Fusion code?

Need more information on how to fix the P0355 2007 Ford Fusion code? Get Access to Factory Service Manuals

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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 P0355 2007 Ford Fusion Code

1. What does OBDII code P0355 on a 2007 Ford Fusion mean?

The code P0355 indicates a problem with the ignition coil 'E' primary/secondary circuit in your vehicle.

2. What are common symptoms of a P0355 code in a 2007 Ford Fusion?

Common symptoms of a P0355 code may include engine misfires, rough idling, loss of power, and illuminated check engine light.

3. What are possible causes of a P0355 code in a 2007 Ford Fusion?

Possible causes of a P0355 code 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 a P0355 code on my 2007 Ford Fusion?

Diagnosing a P0355 code typically involves inspecting the ignition coil 'E', checking for damaged wiring or connectors, and testing the circuit for proper operation using a multimeter.

5. Can I still drive my 2007 Ford Fusion with a P0355 code?

It is not recommended to drive your vehicle with a P0355 code, as it can lead to further damage to the ignition system and potentially result in engine performance issues.

6. How can I repair a P0355 code on my 2007 Ford Fusion?

Repairing a P0355 code may involve replacing the faulty ignition coil 'E', repairing damaged wiring or connectors, or reprogramming the PCM, depending on the root cause of the issue.

7. Are there any tips for preventing a P0355 code in my 2007 Ford Fusion?

To prevent a P0355 code, it is recommended to perform regular maintenance on your vehicle, including checking and replacing ignition components as needed and addressing any electrical issues promptly.

8. Does a P0355 code affect fuel efficiency in a 2007 Ford Fusion?

Yes, a P0355 code can affect fuel efficiency in your vehicle due to engine misfires and inefficient combustion, leading to decreased miles per gallon.

9. Can a DIY enthusiast fix a P0355 code in a 2007 Ford Fusion?

Depending on the individual's mechanical skills and experience, a DIY enthusiast may be able to diagnose and repair a P0355 code by following proper diagnostic procedures and using the right tools.

10. Is it necessary to reset the PCM after fixing a P0355 code on a 2007 Ford Fusion?

After fixing a P0355 code, it is recommended to reset the PCM to clear the error code and allow the vehicle's onboard computer to relearn the new components and ensure proper operation.