Mazda 6 Service Manual: No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges

No.10 low idle/stalls during deceleration

No.12 lack/loss of power-acceleration/cruise

Other materials:

Mazda 6 Service Manual: Cruise Control Switch
  Cruise Main Indication (White)/ Cruise Set Indication (Green)     The indication has two colors. Cruise Main Indication (White)   The indication turns on (white) when the cruise control system is activated. Cruise Set Indication (Green) The indication turns on (gr ...

Mazda 6 Service Manual: Variable air duct (vad) control solenoid valve inspection (l3)
1. Remove the VAD control solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Inspect airflow between the ports under the following conditions. If not as specified, replace the VAD control solenoid valve. If as specified, carry out the Circuit Open/Short Inspection. Circ ...