OBD-II code · Powertrain (generic)
P010B Mass or Volume Air Flow Sensor B Circuit Range/Performance
MAF sensor B reading implausible. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P010B?
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
- P0108Manifold Absolute Pressure Sensor High Input
- P0109Manifold Absolute Pressure / Barometric Pressure Circuit Intermittent
- P010AMass or Volume Air Flow Sensor B Circuit
- P010CMass or Volume Air Flow Sensor B Circuit Low
- P010DMass or Volume Air Flow Sensor B Circuit High
- P010EMass or Volume Air Flow Sensor B Circuit Intermittent/Erratic
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.