P111B - Mass or Volume Air Flow via O2 Sensor Too Low Bank 1
P111B 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 is the P111B code repair?Start by checking 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.
What is the cost to diagnose the P111B code
Labor: 1.0The cost to diagnose the P111B code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
P111B MeaningThe 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.
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