AutoCodes – Ford – P0356 1997 Ford F150

P0356 1997 Ford F150 Code - Ignition Coil 'F' Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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: P0356 1997 Ford F150 indicates Ignition Coil 'F' Primary/Secondary Circuit .
Common causes: Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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 3,382

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0356 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 P0356 1997 Ford F150 - Ignition Coil 'F' Primary/Secondary Circuit - AutoCodes.com — P0356 1997 Ford F150 Code - Ignition Coil 'F' Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0356 1997 Ford F150?

Faulty Ignition Coil 6
Ignition Coil 6 harness is open or shorted
Ignition Coil 6 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0356 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 does this mean?

Code Tech Notes

Each ignition primary circuit is continuously monitored. The test fails when the PCM does not receive a valid IDM pulse signal from the ignition module (integrated in PCM).

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0356 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 P0356 1997 Ford F150 code?

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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 P0356 1997 Ford F150 Code

1. What are the common symptoms of OBDII code P0356 on a 1997 Ford F150?

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

2. What does OBDII code P0356 indicate for a 1997 Ford F150?

- OBDII code P0356 indicates a problem with the Ignition Coil 'F' Primary/Secondary Circuit.

3. What are the possible causes of OBDII code P0356 on a 1997 Ford F150?

- Possible causes include a faulty ignition coil, damaged wiring or connectors, a poor electrical connection, or a failed PCM.

4. How can I diagnose the Ignition Coil 'F' Primary/Secondary Circuit issue on my 1997 Ford F150?

- You can diagnose the issue by checking the ignition coil for signs of damage, inspecting the wiring and connectors for any issues, and using a multimeter to test the electrical connections.

5. Can I still drive my 1997 Ford F150 with OBDII code P0356?

- It is not recommended to drive your vehicle with OBDII code P0356, as it can lead to further damage and potential safety hazards.

6. How can I repair OBDII code P0356 on my 1997 Ford F150?

- To repair OBDII code P0356, you may need to replace the faulty ignition coil, repair any damaged wiring or connectors, and reset the trouble codes with a scan tool.

7. Is it possible to reset OBDII code P0356 on a 1997 Ford F150 without fixing the underlying issue?

- While you can clear the trouble code with a scan tool, it is not recommended as the issue will likely reoccur until properly addressed.

8. How much does it cost to repair OBDII code P0356 on a 1997 Ford F150?

- The cost of repairing OBDII code P0356 can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix OBDII code P0356 on a 1997 Ford F150?

- If you have the necessary tools and experience working on automotive electrical systems, you may be able to diagnose and repair OBDII code P0356 yourself.

10. Will OBDII code P0356 on a 1997 Ford F150 affect fuel efficiency?

- Yes, OBDII code P0356 can lead to decreased fuel efficiency due to engine misfires and incomplete combustion.