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Engine-Codes – Generic – P2314

P2314 Code - Ignition Coil 'E' Secondary Circuit

Quick Answer

The P2314 diagnostic trouble code refers to an issue with the Ignition Coil 'E' Secondary Circuit. Common causes include Failed ignition coil, Damaged or corroded wiring connections, Faulty spark plugs. 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
P2314 indicates Ignition Coil 'E' Secondary Circuit.
Common causes
Common causes include Failed ignition coil, Damaged or corroded wiring connections, Faulty spark plugs.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2314 Description

The P2314 diagnostic trouble code refers to an issue with the Ignition Coil 'E' Secondary Circuit. In a vehicle's ignition system, the ignition coil is a crucial component responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. The secondary circuit of the ignition coil is specifically related to the high voltage side of the coil, which delivers the spark to the spark plugs at the correct time for combustion in the engine cylinders.

OBDII Code P2314 - Ignition Coil 'E' Secondary Circuit
P2314 Code - Ignition Coil 'E' Secondary Circuit

Common Causes of P2314

  1. Failed ignition coil
  2. Damaged or corroded wiring connections
  3. Faulty spark plugs
  4. Issues with the ECM
  5. Electrical short circuits in the ignition system

Symptoms of P2314

  1. Engine misfires or rough idling
  2. Decreased fuel efficiency
  3. Difficulty starting the engine
  4. Engine stalling
  5. Illumination of the check engine light

How to Fix P2314

  1. Conduct a thorough inspection of the ignition coil, wiring, and connectors to identify any visible damage or corrosion.
  2. Test the ignition coil using a multimeter to check for proper resistance and continuity.
  3. Replace the ignition coil if it is found to be faulty.
  4. Inspect and replace any damaged wiring or connectors in the ignition coil circuit.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2314

The cost of repairing an Ignition Coil 'E' Secondary Circuit issue can vary depending on the make and model of the vehicle, the specific components that need to be replaced, and the labor rates at the auto repair shop. On average, the cost of replacing an ignition coil can range from $150 to $300, while labor costs can range from $80 to $150 per hour. Overall, the total cost of repairing this issue may range from $200 to $500, but it is advisable to obtain a more accurate estimate from a local auto repair shop.

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Code P2314 Information for Specific Makes

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.

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