P00BF OBD II Trouble Code Mass Air Flow (MAF) B Circuit Range/Perf Flow Too High

Symptoms of P00BF OBD II Trouble Code

  • Malfunction indicator lamp (MIL) illumination (a.k.a. check engine light)
  • Engine running rough
  • Black smoke from tail pipe
  • Stalling
  • Engine hard start or stalling after it starts
  • Possible other driveability symptoms

Common Causes of P00BF OBD II Trouble Code

  • Dirty or contaminated mass air flow sensor
  • Failed MAF sensor
  • Intake air leaks
  • MAF sensor electrical harness or wiring problem (open, shorted, frayed, poor connection, etc.)