AutoCodes – MINI – P114C MINI

P114C MINI Code - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich Bank 2

Quick Answer

The diagnostic function monitors the lambda closed-loop mixture control. Common causes include Leak in exhaust system, Faulty Pre-Catalyst or Post-Catalyst Oxygen Sensor, Pre-Catalyst or Post-Catalyst Oxygen Sensor harness is open or shorted. 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: P114C MINI indicates Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich Bank 2.
Common causes: Common causes include Leak in exhaust system, Faulty Pre-Catalyst or Post-Catalyst Oxygen Sensor, Pre-Catalyst or Post-Catalyst Oxygen Sensor harness is open or shorted.
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 1,633

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 P114C 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 P114C MINI - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich Bank 2 - AutoCodes.com — P114C MINI Code - Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich Bank 2

What does this mean?

What are the Possible Causes of the DTC P114C MINI?

Leak in exhaust system
Faulty Pre-Catalyst or Post-Catalyst Oxygen Sensor
Pre-Catalyst or Post-Catalyst Oxygen Sensor harness is open or shorted
Pre-Catalyst or Post-Catalyst Oxygen Sensor circuit poor electrical connection
Faulty Digital Motor Electronics (DME)

How to Fix the DTC P114C 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 P114C 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 P114C MINI code?

Need more information on how to fix the P114C MINI code? Get Access to Factory Service Manuals

Need Help with the 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 P114C MINI Code

1. What are the common symptoms of OBDII code P114C in a MINI?

The common symptoms of code P114C include reduced fuel efficiency, rough idling, engine misfires, and the illumination of the check engine light.

2. What does the OBDII code P114C indicate in a MINI?

Code P114C indicates that the post-catalyst fuel trim via oxygen sensor system on bank 2 is detecting a rich fuel mixture condition.

3. What are the possible causes of OBDII code P114C in a MINI?

Possible causes of code P114C include a faulty oxygen sensor, a vacuum leak in the intake system, a malfunctioning fuel injector, or a problem with the engine's air-fuel ratio.

4. How can I diagnose OBDII code P114C in my MINI?

Diagnosing code P114C involves using an OBDII scanner to read the code, inspecting the oxygen sensor on bank 2, checking for any vacuum leaks, and testing the fuel injectors for proper operation.

5. Can driving with OBDII code P114C in a MINI cause further damage?

Continued driving with code P114C may lead to decreased fuel efficiency, increased emissions, and potential damage to the catalytic converter over time.

6. How can I repair OBDII code P114C in my MINI?

Repairing code P114C may involve replacing the oxygen sensor on bank 2, addressing any vacuum leaks, cleaning or replacing fuel injectors, or correcting the air-fuel ratio imbalance.

7. Will resetting the check engine light resolve OBDII code P114C in a MINI?

Simply resetting the check engine light will not resolve code P114C. It is important to diagnose and address the underlying issue causing the rich fuel mixture condition.

8. Is it safe to continue driving my MINI with OBDII code P114C?

While it may be safe to drive your MINI with code P114C in the short term, it is recommended to address the issue promptly to prevent potential long-term damage and ensure optimal engine performance.

9. How much does it typically cost to repair OBDII code P114C in a MINI?

The cost of repairing code P114C can vary depending on the specific cause of the issue and the labor rates of the repair shop. It is advisable to get a diagnostic assessment to determine the exact cost.

10. Can a DIY enthusiast fix OBDII code P114C in a MINI?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address code P114C by replacing the oxygen sensor, checking for vacuum leaks, or cleaning fuel injectors. However, professional diagnosis is recommended for accurate repairs.