OBD codes / P0101

P0101

Moderate

Mass 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 vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.