What does OBD2 code P0101 mean?+
P0101 stands for Mass Air Flow Sensor Range/Performance. The MAF sensor is reading airflow outside of expected range for current engine conditions.
What causes code P0101?+
Dirty or contaminated MAF sensor; Air leak between MAF and throttle body; Faulty MAF sensor; Clogged air filter
How do I fix code P0101?+
Replace air filter; Clean MAF sensor with MAF cleaner; Inspect intake for air leaks; Replace MAF sensor
How much does it cost to fix P0101?+
Estimated repair cost for P0101 is $50–$350.
Is P0101 DIY-friendly?+
Yes — P0101 is generally DIY-friendly with basic tools.
