AutoCodes – MINI – P114D MINI

P114D MINI Code - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2

Quick Answer

The diagnostic function monitors the lambda closed-loop mixture control. Common causes include Leak in exhaust system, Catalytic converter clogged, Faulty Pressure Sensors on Intake. 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: P114D MINI indicates Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2.
Common causes: Common causes include Leak in exhaust system, Catalytic converter clogged, Faulty Pressure Sensors on Intake.
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 1,469

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 Jul 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P114D MINI Description

The diagnostic function monitors the lambda closed-loop mixture control. The Engine Control Module (ECM) sets the OBDII code when the lambda closed-loop mixture is not to factory specifications.

OBDII Code P114D MINI - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2 - AutoCodes.com — P114D MINI Code - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Lean Bank 2

What does this mean?

What are the Possible Causes of the DTC P114D MINI?

Leak in exhaust system
Catalytic converter clogged
Faulty Pressure Sensors on Intake
Pressure Sensors on Intake harness is open or shorted
Pressure Sensors on Intake circuit poor electrical connection
Faulty Fuel injector

How to Fix the DTC P114D MINI?

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 P114D MINI 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 P114D MINI code?

Need more information on how to fix the P114D MINI code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P114D MINI code diagnosed by a professional: Find a repair shop in your area

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 P114D MINI Code

1. What are the common symptoms of OBDII code P114D in a MINI?

- Common symptoms include poor fuel economy, rough idling, and a noticeable decrease in engine performance.

2. What can cause the OBDII code P114D in a MINI?

- The code is typically triggered by a lean fuel mixture in the post-catalyst system on bank 2, often caused by issues with the oxygen sensor or fuel delivery system.

3. How can I diagnose the OBDII code P114D in my MINI?

- Diagnosing this code usually involves checking the oxygen sensor readings, inspecting for exhaust leaks, and testing the fuel pressure and delivery system.

4. Can a faulty oxygen sensor trigger the OBDII code P114D?

- Yes, a malfunctioning oxygen sensor in bank 2 can lead to a lean fuel mixture and trigger the P114D code in a MINI.

5. What are the potential repair options for fixing the OBDII code P114D in a MINI?

- Repair options may include replacing the oxygen sensor, addressing any fuel delivery issues, fixing exhaust leaks, and ensuring proper functioning of the catalytic converter.

6. Is it safe to continue driving with the OBDII code P114D illuminated in my MINI?

- It is not recommended to drive for an extended period with this code active, as it can lead to decreased fuel efficiency and potential long-term engine damage.

7. How much does it typically cost to repair the OBDII code P114D in a MINI?

- The cost of repair can vary depending on the exact cause of the code, but it may range from a few hundred to a few thousand dollars, including parts and labor.

8. Can a DIY enthusiast fix the OBDII code P114D issue in a MINI?

- While some basic troubleshooting and repairs can be done by DIY enthusiasts, diagnosing and fixing the root cause of the P114D code often requires professional expertise and specialized tools.

9. Will resetting the OBDII code P114D in my MINI make it go away permanently?

- Simply resetting the code without addressing the underlying issue will not fix the problem permanently. It is important to diagnose and repair the root cause to prevent the code from reoccurring.

10. How frequently does the OBDII code P114D occur in MINI vehicles?

- While not extremely common, the P114D code can occur in MINI vehicles, especially in older models or those with high mileage. Regular maintenance and timely repairs can help prevent this issue.