AutoCodes – Mercury – P2317 Mercury

P2317 Mercury Code - Ignition Coil 'F' Secondary Circuit

Quick Answer

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. Common causes include Faulty Ignition Coil 'F', Ignition Coil 'F' harness is open or shorted, Ignition Coil 'F' 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: P2317 Mercury indicates Ignition Coil 'F' Secondary Circuit.
Common causes: Common causes include Faulty Ignition Coil 'F', Ignition Coil 'F' harness is open or shorted, Ignition Coil 'F' 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 1,250

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 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 P2317 Mercury Description

The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. When the ignition coil driver is switched on, current rapidly builds up to a maximum value, determined by the coil inductance and resistance. When the current is switched off, the magnetic field collapses which induces a secondary high voltage surge and the spark plug is fired. This high voltage surge creates a flyback voltage which the PCM uses as a feedback during the ignition diagnostics. The PCM continuously monitors the ignition system for concerns. The P2317 code sets when the PCM detects a short to voltage in the circuit.

OBDII Code P2317 Mercury - Ignition Coil 'F' Secondary Circuit - AutoCodes.com — P2317 Mercury Code - Ignition Coil 'F' Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P2317 Mercury?

Faulty Ignition Coil 'F'
Ignition Coil 'F' harness is open or shorted
Ignition Coil 'F' circuit poor electrical connection

How to Fix the DTC P2317 Mercury?

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 P2317 Mercury 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 P2317 Mercury code?

Need more information on how to fix the P2317 Mercury 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 P2317 Mercury Code

1. What are the common symptoms of OBDII code P2317 in a Mercury related to the Ignition Coil 'F' Secondary Circuit?

Symptoms may include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

2. What can cause the OBDII code P2317 in a Mercury to trigger for the Ignition Coil 'F' Secondary Circuit?

Possible causes include a faulty ignition coil, damaged wiring or connectors, a poor electrical connection, or a defective Engine Control Module (ECM).

3. How can I diagnose the issue causing OBDII code P2317 in my Mercury for the Ignition Coil 'F' Secondary Circuit?

Diagnosis typically involves inspecting the ignition coil, checking the wiring and connectors for damage, testing the electrical connections, and using a scan tool to gather data from the ECM.

4. Is it safe to continue driving my Mercury with OBDII code P2317 related to the Ignition Coil 'F' Secondary Circuit?

It is not recommended to drive the vehicle with this issue as it can lead to further damage to the engine and catalytic converter.

5. Can I repair OBDII code P2317 in my Mercury for the Ignition Coil 'F' Secondary Circuit myself?

If you have experience with automotive repairs and diagnostics, you may be able to address this issue by replacing the faulty ignition coil, repairing damaged wiring, or fixing poor electrical connections.

6. How much does it typically cost to fix OBDII code P2317 in a Mercury for the Ignition Coil 'F' Secondary Circuit?

The cost of repair can vary depending on the exact cause of the issue, but it may involve expenses for parts and labor ranging from $100 to $300 or more.

7. Will resetting the Check Engine Light resolve OBDII code P2317 related to the Ignition Coil 'F' Secondary Circuit in my Mercury?

Simply clearing the code will not fix the underlying problem. It is essential to diagnose and address the root cause of the issue to prevent it from reoccurring.

8. Can extreme weather conditions affect the triggering of OBDII code P2317 in a Mercury for the Ignition Coil 'F' Secondary Circuit?

Extreme temperatures or moisture can potentially exacerbate issues with the ignition coil or electrical components, leading to the triggering of this code.

9. How long does it typically take to repair OBDII code P2317 in a Mercury related to the Ignition Coil 'F' Secondary Circuit?

The repair process can take anywhere from 30 minutes to a few hours, depending on the complexity of the issue and the expertise of the person performing the repairs.

10. Are there any preventive measures I can take to avoid OBDII code P2317 in my Mercury for the Ignition Coil 'F' Secondary Circuit?

Regular maintenance, such as timely spark plug replacements and system inspections, can help prevent issues with the ignition coil and reduce the likelihood of triggering this code.