AutoCodes – Lincoln – P014B Lincoln

P014B Lincoln Code - Oxygen Sensor Delayed Response Lean to Rich Bank 2 Sensor 2

Quick Answer

During a Deceleration Fuel Shut-Off (DFSO) event, the Powertrain Control Module (PCM) monitors the rear heated oxygen sensor (HO2S) signal to determine if the signal is stuck in range. Common causes include Faulty Heated Oxygen Bank 2 Sensor 2, Heated Oxygen Bank 2 Sensor 2 harness is open or shorted, Heated Oxygen Bank 2 Sensor 2 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: P014B Lincoln indicates Oxygen Sensor Delayed Response Lean to Rich Bank 2 Sensor 2.
Common causes: Common causes include Faulty Heated Oxygen Bank 2 Sensor 2, Heated Oxygen Bank 2 Sensor 2 harness is open or shorted, Heated Oxygen Bank 2 Sensor 2 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 1,029

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 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P014B Lincoln Description

During a Deceleration Fuel Shut-Off (DFSO) event, the Powertrain Control Module (PCM) monitors the rear heated oxygen sensor (HO2S) signal to determine if the signal is stuck in range. The PCM expects the signal to exceed a calibrated rich or lean value within a calibrated amount of time. If the signal voltage remains less than the rich value after a number of occurrences, the PCM intrusively controls the fuel system rich over increasing time periods in an attempt to force the signal to greater than the calibrated rich value. The test fails when, after three consecutive intrusive attempts, the signal cannot be forced greater than the calibrated rich value. Also, if the signal voltage remains greater than the lean value after a calibrated amount of time with the fuel injectors off, a counter is incremented. The test fails when after three consecutive occurrences the signal is not less than the calibrated lean value.

OBDII Code P014B Lincoln - Oxygen Sensor Delayed Response Lean to Rich Bank 2 Sensor 2 - AutoCodes.com — P014B Lincoln Code - Oxygen Sensor Delayed Response Lean to Rich Bank 2 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P014B Lincoln?

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

How to Fix the DTC P014B Lincoln?

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 P014B Lincoln 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 P014B Lincoln code?

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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 P014B Lincoln Code

1. What are common symptoms of OBDII code P014B in a Lincoln?

- Common symptoms include poor fuel efficiency, rough idling, engine hesitation, and a possible decrease in overall engine performance.

2. What causes the OBDII code P014B in a Lincoln?

- The main cause of code P014B is a delayed response from the oxygen sensor located on Bank 2 Sensor 2, indicating a lean to rich condition.

3. How does a delayed response from the oxygen sensor affect engine performance?

- A delayed response from the oxygen sensor can lead to incorrect air-fuel mixture readings, causing the engine to run inefficiently and potentially leading to increased emissions.

4. Can a faulty oxygen sensor cause code P014B in a Lincoln?

- Yes, a faulty oxygen sensor on Bank 2 Sensor 2 can cause the delayed response leading to code P014B, as it fails to accurately measure the air-fuel ratio.

5. How can I diagnose OBDII code P014B in my Lincoln?

- Diagnosing code P014B typically involves using an OBDII scanner to retrieve the code, checking the oxygen sensor readings, and inspecting the sensor wiring for any damage.

6. What is the recommended repair for OBDII code P014B in a Lincoln?

- The recommended repair for code P014B is to replace the oxygen sensor on Bank 2 Sensor 2 to restore proper air-fuel ratio monitoring and engine performance.

7. Are there any DIY tips for fixing OBDII code P014B in a Lincoln?

- While replacing the oxygen sensor may require some mechanical knowledge, it can be a DIY task with the help of basic tools and following a repair manual specific to your Lincoln model.

8. How serious is OBDII code P014B in a Lincoln?

- Code P014B should be addressed promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance and fuel efficiency.

9. Can driving with OBDII code P014B harm my Lincoln?

- Continuing to drive with code P014B can lead to decreased fuel economy, engine performance issues, and potential damage to the catalytic converter over time.

10. How much does it typically cost to repair OBDII code P014B in a Lincoln?

- The cost to repair code P014B in a Lincoln can vary depending on labor rates and the price of the oxygen sensor, but it generally ranges from $150 to $300 for parts and labor.