
OBD codes / P0101
P0101
ModerateMass or Volume Air Flow Circuit Range/Performance
Get it looked at soon to avoid further wear.
Likely causes
- dirty MAF sensor
- intake leak
- clogged air filter
Common fixes
- clean MAF
- replace air filter
- check intake
Seeing P0101 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0101 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.