Mass or Volume Air Flow via O2 Sensor Too Low Bank 1
Table of contents
P111B BMW Possible Causes
- Intake or Exhaust Leaks
- Faulty Mass or Volume Air Flow Sensor
- Mass or Volume Air Flow Sensor harness is open or shorted
- Mass or Volume Air Flow Sensor circuit poor electrical connection
How do I fix code P111B BMW?
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 P111B BMW code
The cost of diagnosing the P111B BMW 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)
P111B BMW Description
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 out of factory specifications.