Ford Focus Service Manual: Lighting

Resetting The Keep Alive Memory (KAM) - Gasoline Engines (Powertrain Diagnostics)

Description Resetting the KAM returns the powertrain control module (PCM) memory to its default setting. Adaptive learning contents such as adaptive airflow, idle speed, refueling event, and fuel ...

Bulbs

...

More about Ford Focus:

Ford Focus Mass Air Flow (MAF) Sensor
  Item Part Number Description 1 14A464 Mass Air Flow (MAF) sensor electrical connector 2 W709287 MAF sensor screw (2 required) 3 12B605 MAF sensor Removal and Installation With the vehicle in NEUTRAL, position it ...