IA2 - Check Mass Air Flow (MAF) Sensor
Mass Airflow Sensor:
^ Visually check the Mass Air Flow (MAF) sensor for cracks, loose mounting, damaged electrical connector, broken or contaminated heated resistor, and torn or restricted protective screen.
NOTE: Electrical component testing is covered in Computers and Control Systems / Testing and Inspection.
^ Is MAF sensor free of damage or restrictions?
YES -- Go to IA3. IA3 - Check Resonance Chamber Condition
NO -- Replace the MAF sensor.