Engine-CodesGeneric – P1314

P1314 Code - Misfire Rate Catalyst Damage Fault Bank 2

Quick Answer

The P1314 diagnostic trouble code (DTC) indicates a misfire rate catalyst damage fault in Bank 2 of the vehicle's engine. Common causes include Faulty spark plugs or ignition coils, Clogged fuel injectors, Vacuum leaks in the intake manifold. 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
P1314 indicates Misfire Rate Catalyst Damage Fault Bank 2.
Common causes
Common causes include Faulty spark plugs or ignition coils, Clogged fuel injectors, Vacuum leaks in the intake manifold.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1314 Description

The P1314 diagnostic trouble code (DTC) indicates a misfire rate catalyst damage fault in Bank 2 of the vehicle's engine. This means that there is an issue with the combustion process in one of the cylinders on the second bank of the engine, leading to potential damage to the catalytic converter. The misfire can result in unburned fuel entering the exhaust system, causing the catalytic converter to overheat and potentially fail.

OBDII Code P1314 - Misfire Rate Catalyst Damage Fault Bank 2
P1314 Code - Misfire Rate Catalyst Damage Fault Bank 2

Common Causes of P1314

  1. Faulty spark plugs or ignition coils.
  2. Clogged fuel injectors.
  3. Vacuum leaks in the intake manifold.
  4. Low compression in one of the cylinders.
  5. Issues with the engine's timing or camshaft position sensor.

Symptoms of P1314

  1. Rough idling or a noticeable vibration while the vehicle is running.
  2. Loss of power or hesitation during acceleration.
  3. Illumination of the Check Engine Light.
  4. Increased fuel consumption.
  5. Strong sulfur or rotten egg smell from the exhaust.

How to Fix P1314

  1. Begin by diagnosing the specific cylinder misfiring in Bank 2 using a scan tool to identify the exact cause.
  2. Inspect and replace any faulty spark plugs or ignition coils.
  3. Check and clean the fuel injectors, or replace them if necessary.
  4. Perform a compression test on the cylinders in Bank 2 to check for any issues.
  5. Verify the timing and camshaft position sensor operation and replace them if needed.

Cost to Fix P1314

The typical repair costs for addressing a misfire rate catalyst damage fault in Bank 2 can range from $200 to $800, depending on the specific cause of the issue and the parts that need to be replaced. This estimate includes parts and labor costs, but it's important to note that prices can vary based on location, vehicle make and model, and the shop's hourly labor rates. It's recommended to consult with a local auto repair shop for a more accurate cost estimate.

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Code P1314 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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