AutoCodesFord – P0357 Ford

P0357 Ford Code - Ignition Coil 'G' 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 7, Ignition Coil 7 harness is open or shorted, Ignition Coil 7 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
P0357 Ford indicates Ignition Coil 'G' Primary/Secondary Circuit Malfunction.
Common causes
Common causes include Faulty Ignition Coil 7, Ignition Coil 7 harness is open or shorted, Ignition Coil 7 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 84,451
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0357 Ford 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 P0357 Ford - Ignition Coil 'G' Primary/Secondary Circuit Malfunction - AutoCodes.com
P0357 Ford Code - Ignition Coil 'G' Primary/Secondary Circuit Malfunction

What are the Possible Causes of the DTC P0357 Ford?

  • Faulty Ignition Coil 7
  • Ignition Coil 7 harness is open or shorted
  • Ignition Coil 7 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0357 Ford?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0357 Ford 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 P0357 Ford code?

Need more information on how to fix the P0357 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

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Information for Specific Ford Models

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 P0357 Ford Code

1. What are the common symptoms of OBDII code P0357 in a Ford vehicle?

The common symptoms of P0357 include engine misfires, rough idling, loss of power, and an illuminated Check Engine Light.

2. What does the OBDII code P0357 for a Ford mean?

OBDII code P0357 in a Ford indicates a malfunction in the ignition coil 'G' primary/secondary circuit.

3. What are the potential causes of the ignition coil 'G' primary/secondary circuit malfunction in a Ford vehicle?

Possible causes of P0357 include a faulty ignition coil, wiring issues in the ignition coil circuit, a defective spark plug, or a problem with the powertrain control module (PCM).

4. How can I diagnose the OBDII code P0357 in my Ford?

Diagnosing P0357 involves checking the ignition coil 'G' for proper operation, inspecting the wiring for any damage or loose connections, testing the spark plug, and scanning the PCM for any related error codes.

5. Can driving with OBDII code P0357 cause further damage to my Ford vehicle?

Continuing to drive with P0357 may lead to more severe engine misfires, potential damage to the catalytic converter, and decreased fuel efficiency.

6. How can I repair OBDII code P0357 in my Ford?

To repair P0357, you may need to replace the faulty ignition coil 'G', repair any damaged wiring, replace the spark plug if necessary, and clear the error code using an OBDII scanner.

7. Are there any preventive measures to avoid OBDII code P0357 in the future?

Regular maintenance of the ignition system, including timely replacement of spark plugs and inspection of ignition coils, can help prevent issues like P0357 in the future.

8. Can a DIY enthusiast fix OBDII code P0357 in a Ford, or is professional help recommended?

While some DIY enthusiasts may be able to diagnose and replace the ignition coil 'G' themselves, seeking professional help is recommended for a proper diagnosis and repair of P0357.

9. How much does it typically cost to repair OBDII code P0357 in a Ford at a repair shop?

The cost of repairing P0357 can vary depending on the specific issue, but it may range from $100 to $300 at a repair shop, including parts and labor.

10. What is the importance of addressing OBDII code P0357 promptly in a Ford vehicle?

Promptly addressing P0357 is crucial to prevent further damage to the engine, ensure optimal performance, and maintain the overall reliability of your Ford vehicle.

Discuss the causes and fixes for P0357 Ford OBDII Code

  • Really hard to start , have to try about 6 times before it will fire, is this a fuel issue or coil, got code p0357 , remote starting , after fail lights all remain on,won't go off, so do I also have an electrical issue or is it all related

  • What model and year is your Ford? Sounds like a bad fuel or low fuel pressure, problems with an ignition coil will cause rough idle and usually not a hard start.

  • were you put coil thing broke what can i do

  • Could you please elaborate more your question. What model and year is your vehicle?

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