AutoCodes – Generic – P014E

P014E Code - Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1

Quick Answer

The Powertrain Control Module (PCM) or Engine Control Module (ECM) continuously monitors the Heated Oxygen Sensor (HO2S) activity. Common causes include Faulty Heated Oxygen Bank 2 Sensor 1, Heated Oxygen Bank 2 Sensor 1 harness is open or shorted, Heated Oxygen Bank 2 Sensor 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P014E indicates Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1.
Common causes: Common causes include Faulty Heated Oxygen Bank 2 Sensor 1, Heated Oxygen Bank 2 Sensor 1 harness is open or shorted, Heated Oxygen Bank 2 Sensor 1 circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 8,441

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P014E Description

The Powertrain Control Module (PCM) or Engine Control Module (ECM) continuously monitors the Heated Oxygen Sensor (HO2S) activity. During the monitor period the PCM/ECM counts the number of times that the HO2S responds from rich to lean and from lean to rich and adds the amount of time it took to complete all transitions. With this information, the PCM/ECM can determine the average time for all transitions. If the average response time is too slow, a DTC sets.

OBDII Code P014E - Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1 - AutoCodes.com — P014E Code - Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1

What does this mean?

What are the Possible Causes of the DTC P014E?

Faulty Heated Oxygen Bank 2 Sensor 1
Heated Oxygen Bank 2 Sensor 1 harness is open or shorted
Heated Oxygen Bank 2 Sensor 1 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

How to Fix the DTC P014E?

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 P014E 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.

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Information for Specific Makes

P014E Buick — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Cadillac — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Chevrolet — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Ford — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E GMC — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Infiniti — Air Fuel Ratio Sensor Slow Response - Rich To Lean Bank 2 sensor 1
P014E Lincoln — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Mercury — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Nissan — Air Fuel Ratio Sensor Slow Response - Rich To Lean Bank 2 sensor 1
P014E Pontiac — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1
P014E Saturn — Oxygen Sensor Slow Response Rich To Lean Bank 2 sensor 1

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.