AutoCodes – Generic – P1314

P1314 Code - Misfire Rate Catalyst Damage Fault Bank 2

Quick Answer

The Engine Control Module (ECM) monitors the engine for misfires. Common causes include Engine mechanical fault, Low fuel pressure, Clogged fuel injectors. 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 Engine mechanical fault, Low fuel pressure, Clogged fuel injectors.
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 28,888

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 Oct 25, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1314 Description

The Engine Control Module (ECM) monitors the engine for misfires. The Diagnostic Trouble Code (DTC) will be set if the Engine Control Module detects a misfire severe enough to cause an excess exhaust emission and cause Catalytic Converter damage. If a misfire occurs the P1314 and P1316 codes will be set.

OBDII Code P1314 - Misfire Rate Catalyst Damage Fault Bank 2 - AutoCodes.com — P1314 Code - Misfire Rate Catalyst Damage Fault Bank 2

What does this mean?

What are the Possible Causes of the DTC P1314?

Engine mechanical fault
Low fuel pressure
Clogged fuel injectors
Faulty/worn out spark plugs
Faulty ignition coil
Faulty fuel injectors
Faulty Engine Control Module (ECM)

How to Fix the DTC P1314?

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 P1314 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 P1314 code?

Need more information on how to fix the P1314 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1314 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1314 BMW — Fuel System Error
P1314 Hyundai — Ignition Coil 2 Low Output
P1314 Jaguar — Misfire Rate Catalyst Damage Fault Bank 2
P1314 Land Rover — Misfire Rate Catalyst Damage Fault Bank 2
P1314 MINI — Fuel System Error

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.