AutoCodes – Ford – P0355 2008 Ford Fusion

P0355 2008 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 2008 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 5,327

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 2008 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 2008 Ford Fusion - Ignition Coil 'E' Primary/Secondary Circuit - AutoCodes.com — P0355 2008 Ford Fusion Code - Ignition Coil 'E' Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0355 2008 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 2008 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 2008 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 2008 Ford Fusion code?

Need more information on how to fix the P0355 2008 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0355 2008 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

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 2008 Ford Fusion Code

1. What are the common symptoms of OBDII code P0355 in a 2008 Ford Fusion?

The common symptoms include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

2. What does the OBDII code P0355 for a 2008 Ford Fusion indicate?

The code P0355 specifically refers to a problem in the ignition coil 'E' primary/secondary circuit.

3. What are the possible causes of OBDII code P0355 in a 2008 Ford Fusion?

Potential 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 causing OBDII code P0355 in my 2008 Ford Fusion?

You can start by visually inspecting the ignition coil and its wiring for any signs of damage. Using a multimeter, you can test the continuity of the circuit and check for proper voltage.

5. Can I still drive my 2008 Ford Fusion with OBDII code P0355?

It is not recommended to drive the vehicle with a persistent ignition coil issue as it can lead to further damage to the engine components.

6. How can I repair OBDII code P0355 in a 2008 Ford Fusion?

To repair this code, you may need to replace the faulty ignition coil, repair any damaged wiring, or address any issues with the PCM as necessary.

7. Are there any preventative maintenance tips to avoid OBDII code P0355 in a 2008 Ford Fusion?

Regularly inspecting and maintaining the ignition system, including the coils and wiring, can help prevent issues that may trigger code P0355.

8. Will resetting the OBDII code P0355 in my 2008 Ford Fusion make it go away permanently?

Resetting the code without addressing the underlying issue will only temporarily turn off the Check Engine Light. The problem will likely reoccur until properly diagnosed and fixed.

9. Can a DIY enthusiast fix OBDII code P0355 in a 2008 Ford Fusion?

Depending on your skill level and access to tools, you may be able to diagnose and replace the faulty ignition coil yourself. However, if you are unsure, it's best to consult a professional mechanic.

10. How much does it typically cost to repair OBDII code P0355 in a 2008 Ford Fusion at a repair shop?

The cost of repairing code P0355 can vary based on the specific issue, parts needed, and labor rates. In general, expect to pay anywhere from $100 to $300 for parts and labor.