P0103
Mass or Volume Air Flow Circuit High
OBD-II
Air intake
What it means
MAF reports more air than expected — contaminated sensor or a wiring fault.
Seeing P0103?
Get the full picture for your car — whether it's safe to drive, what the repair costs, and what to tell the shop.
Check your car freeRelated codes
P0068
MAP/MAF - Throttle Position Correlation
Air intakeMedium
P0069
MAP - Barometric Pressure Correlation
Air intakeMedium
P0100
Mass or Volume Air Flow Circuit
Air intakeMedium
P0101
Mass Air Flow Circuit Range/Performance
Air intakeMedium
P0102
Mass or Volume Air Flow Circuit Low
Air intakeMedium
P0104
Mass or Volume Air Flow Circuit Intermittent
Air intakeMedium
P0105
Manifold Absolute Pressure/Barometric Pressure Circuit
Air intakeMedium
P0106
MAP/Barometric Pressure Circuit Range/Performance
Air intakeMedium
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.