Post Catalyst Fuel Trim Via Oxygen Sensor System Too Rich Bank 1
Table of contents
P114A MINI Possible Causes
- 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 do I fix code P114A MINI?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P114A MINI code
The cost of diagnosing the P114A MINI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P114A 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.