OBD-II code · Powertrain (generic)
P00BE Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too Low
Mass or Volume Air Flow B Circuit Range/Performance - Air Flow Too Low: the signal is implausible or outside the valid range.
Is it safe to drive with P00BE?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyMAF B contaminated
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Mass Air Flow Sensor B
Related codes
- P00BCMass or Volume Air Flow A Circuit Range/Performance - Air Flow Too Low
- P00BBFuel Injector Insufficient Flow - Forced Limited Power
- P00BDMass or Volume Air Flow A Circuit Range/Performance - Air Flow Too High
- P00BFMass or Volume Air Flow B Circuit Range/Performance - Air Flow Too High
- P00C0Turbocharger/Supercharger Bypass Valve B Control Circuit
- P00C1Turbocharger/Supercharger Bypass Valve B Control Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.