AutoCodes – Ford – P0358 1997 Ford F150

P0358 1997 Ford F150 Code - Ignition Coil 'H' Primary/Secondary Circuit Malfunction

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 8, Ignition Coil 8 harness is open or shorted, Ignition Coil 8 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: P0358 1997 Ford F150 indicates Ignition Coil 'H' Primary/Secondary Circuit Malfunction.
Common causes: Common causes include Faulty Ignition Coil 8, Ignition Coil 8 harness is open or shorted, Ignition Coil 8 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,246

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0358 1997 Ford F150 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 P0358 1997 Ford F150 - Ignition Coil 'H' Primary/Secondary Circuit Malfunction - AutoCodes.com — P0358 1997 Ford F150 Code - Ignition Coil 'H' Primary/Secondary Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0358 1997 Ford F150?

Faulty Ignition Coil 8
Ignition Coil 8 harness is open or shorted
Ignition Coil 8 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0358 1997 Ford F150?

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 P0358 1997 Ford F150 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 P0358 1997 Ford F150 code?

Need more information on how to fix the P0358 1997 Ford F150 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0358 1997 Ford F150 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 P0358 1997 Ford F150 Code

1. What are the common symptoms of OBDII code P0358 in a 1997 Ford F150?

- Common symptoms include engine misfires, rough idling, lack of power, and potentially stalling while driving.

2. What does the OBDII code P0358 indicate in a 1997 Ford F150?

- This code specifically points to a malfunction in the ignition coil 'H' primary/secondary circuit.

3. What are some possible causes of OBDII code P0358 in a 1997 Ford F150?

- Potential causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

4. How can I diagnose the source of OBDII code P0358 in my 1997 Ford F150?

- You can use a diagnostic scan tool to check for other related trouble codes, visually inspect the ignition coil and its connections, and perform electrical tests on the coil and circuit.

5. Can a DIY enthusiast repair OBDII code P0358 in a 1997 Ford F150?

- Yes, if you have the necessary tools and knowledge, replacing the faulty ignition coil or repairing wiring issues can be a DIY project.

6. What are some tips for repairing OBDII code P0358 in a 1997 Ford F150?

- Ensure the ignition system is properly grounded, use dielectric grease on electrical connections, and follow manufacturer guidelines for installing a new ignition coil.

7. Is it safe to continue driving with OBDII code P0358 present in a 1997 Ford F150?

- It is not recommended to drive with this code unresolved, as it can lead to further engine damage or potential safety hazards on the road.

8. How much does it typically cost to repair OBDII code P0358 in a 1997 Ford F150?

- The cost can vary depending on the root cause of the issue, but generally, replacing an ignition coil can range from $100 to $300 including parts and labor.

9. Will resetting the OBDII system clear the P0358 code in a 1997 Ford F150?

- Resetting the system may temporarily clear the code, but it will likely reappear if the underlying issue is not addressed and repaired.

10. Can weather conditions affect the occurrence of OBDII code P0358 in a 1997 Ford F150?

- Extreme weather conditions, such as high humidity or temperature fluctuations, can sometimes exacerbate ignition coil problems leading to the P0358 code.