AutoCodes – Mercury – P2326 Mercury

P2326 Mercury Code - Ignition Coil 'I' 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 'I', Ignition Coil 'I' harness is open or shorted, Ignition Coil 'I' 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
P2326 Mercury indicates Ignition Coil 'I' Secondary Circuit.
Common causes
Common causes include Faulty Ignition Coil 'I', Ignition Coil 'I' harness is open or shorted, Ignition Coil 'I' 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 1,431
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P2326 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 P2326 code sets when the PCM detects a short to voltage in the circuit.
OBDII Code P2326 Mercury - Ignition Coil 'I' Secondary Circuit - AutoCodes.com
P2326 Mercury Code - Ignition Coil 'I' Secondary Circuit

What are the Possible Causes of the DTC P2326 Mercury?

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

How to Fix the DTC P2326 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 P2326 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 P2326 Mercury code?

Need more information on how to fix the P2326 Mercury code? Get Access to Factory Service Manuals

Need Help with the 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 P2326 Mercury Code

1. What are the common symptoms of OBDII code P2326 in a Mercury related to the Ignition Coil 'I' Secondary Circuit?

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

2. What can cause the OBDII code P2326 on a Mercury to be triggered?

- The code is typically triggered by issues such as a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a defective Engine Control Module (ECM).

3. How can I diagnose the cause of OBDII code P2326 on my Mercury?

- You can diagnose the issue by performing a visual inspection of the ignition coil and its wiring, checking for loose connections, conducting a continuity test, and using a scan tool to retrieve freeze frame data.

4. Is it safe to continue driving my Mercury with OBDII code P2326 present?

- It is not recommended to drive your vehicle with code P2326 present, as it can lead to further damage to the engine and other components. It's best to address the issue promptly.

5. Can I repair OBDII code P2326 in my Mercury by replacing the ignition coil myself?

- If you have the necessary tools and experience, you can replace the ignition coil yourself. However, if you're unsure, it's best to seek the assistance of a qualified mechanic.

6. Besides the ignition coil, what other components should I inspect when troubleshooting OBDII code P2326 on my Mercury?

- In addition to the ignition coil, you should inspect the spark plugs, spark plug wires, and the ECM for any signs of damage or malfunction.

7. Will resetting the Check Engine Light make OBDII code P2326 go away permanently?

- Resetting the Check Engine Light may temporarily turn off the light, but if the underlying issue causing code P2326 is not addressed, the light will likely come back on.

8. How much does it typically cost to repair OBDII code P2326 on a Mercury?

- The cost of repairing code P2326 can vary depending on the cause of the issue and the labor rates in your area. It's best to get a diagnostic from a mechanic for an accurate estimate.

9. Are there any preventive measures I can take to avoid OBDII code P2326 in the future?

- Regular maintenance, such as replacing spark plugs and ignition components at recommended intervals, can help prevent issues like code P2326 from occurring.

10. Can a faulty ignition coil cause damage to other engine components if not addressed promptly?

- Yes, a faulty ignition coil can lead to damage to other engine components, such as the catalytic converter, spark plugs, and even the engine itself if left unrepaired.

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