P114B MINI Possible Causes
- Exhaust system leak
- Clogged catalytic converter
- Faulty intake pressure sensors
- Open or short circuit in intake manifold pressure sensors
- Poor electrical connection in intake circuit pressure sensors
- Faulty fuel injector
How to Fix P114B MINI Code?
Start by checking the “possible causes” listed above. Visually inspect the wiring harness and corresponding connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P114B MINI Meaning
The diagnostic function monitors the closed-loop lambda mixture control. The engine control module (ECM) sets the OBDII code when the closed-loop lambda mixture does not meet factory specifications.