OBD codes / P0103
P0103
ModerateMass Air Flow (MAF) Circuit High Input
Get it looked at soon to avoid further wear.
Likely causes
- failing MAF sensor
- wiring short
- intake restriction
Common fixes
- inspect and clean or replace the MAF sensor
- check the wiring
Seeing P0103 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0103 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.