P111B MINI Possible Causes
- Intake or exhaust leaks
- Faulty mass or volume air flow sensor
- Mass or volume air flow sensor harness is open or shorted
- Poor electrical connection in mass or volume air flow sensor circuit
How to Fix P111B MINI Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or engine service warning light soon)
P111B MINI Meaning
The Engine Control Module (ECM) monitors the air flow reading through the O2 sensor. The ECM sets the OBDII code when the air flow is outside factory specifications.