OBD-II Code: P0101
MEDIUM SEVERITY
Air Intake
Mass Air Flow Sensor Circuit Range/Performance Problem
Can I Drive?
Usually short-distance only; diagnose soon
Stop driving if you notice overheating, bad misfires, loss of power, fuel smell, or flashing warning lights.
Common Causes
Dirty or faulty MAF sensor, air leak after MAF, dirty air filter
DIY Checks
Clean MAF sensor with proper MAF cleaner; replace air filter
Mechanic Questions to Ask
MAF sensor testing, smoke test for air leaks
Disclaimer: OBD code information is educational, not a professional diagnosis. The same code can have different causes depending on vehicle, mileage, maintenance history, and related codes. Always verify with a qualified mechanic.