AutoCodes – Mercury – P2316 Mercury

P2316 Mercury Code - Ignition Coil 'F' Primary Control Circuit High

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: P2316 Mercury indicates Ignition Coil 'F' Primary Control Circuit High.
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 1,184

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 P2316 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 P2316 code sets when the PCM detects a short to voltage in the circuit.

OBDII Code P2316 Mercury - Ignition Coil 'F' Primary Control Circuit High - AutoCodes.com — P2316 Mercury Code - Ignition Coil 'F' Primary Control Circuit High

What does this mean?

What are the Possible Causes of the DTC P2316 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 P2316 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 P2316 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 P2316 Mercury code?

Need more information on how to fix the P2316 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2316 Mercury 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 P2316 Mercury Code

1. What are the common symptoms of OBDII code P2316 in a Mercury related to the ignition coil 'F' primary control circuit high?

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

2. What could cause the ignition coil 'F' primary control circuit high error code P2316 in a Mercury?

- Possible causes may include a faulty ignition coil, damaged wiring or connectors in the primary circuit, or an issue with the Engine Control Module (ECM).

3. How can I diagnose the ignition coil 'F' primary control circuit high issue in my Mercury when OBDII code P2316 is triggered?

- Diagnosis typically involves inspecting the ignition coil 'F', checking the wiring and connectors for damage, and using a multimeter to test the circuit for proper voltage and continuity.

4. Can driving with the OBDII code P2316 related to ignition coil 'F' primary control circuit high cause further damage to my Mercury?

- Continuing to drive with this issue may lead to more severe engine problems, increased fuel consumption, and potential damage to the catalytic converter.

5. What are some repair tips for addressing the ignition coil 'F' primary control circuit high error code P2316 in a Mercury?

- Repair tips may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, and resetting the ECM after completing repairs.

6. Is it possible to reset the check engine light after fixing the ignition coil 'F' primary control circuit high issue in a Mercury?

- Yes, the check engine light can be reset using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.

7. How urgent is it to address the ignition coil 'F' primary control circuit high error code P2316 in a Mercury?

- It is recommended to address this issue promptly to prevent further engine damage and ensure optimal performance and fuel efficiency.

8. Can a DIY enthusiast with basic automotive knowledge repair the ignition coil 'F' primary control circuit high issue triggered by OBDII code P2316 in a Mercury?

- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and repair this issue by following online guides or consulting a repair manual.

9. Are there any preventive measures to avoid encountering the ignition coil 'F' primary control circuit high error code P2316 in a Mercury?

- Regularly maintaining the ignition system, checking for loose or damaged wiring, and addressing any engine performance issues promptly can help prevent this error code.

10. How long does it typically take to repair the ignition coil 'F' primary control circuit high issue associated with OBDII code P2316 in a Mercury?

- The repair time can vary based on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem, excluding any parts ordering time.