Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: High Beam Control System (HBC) (Some models)
The High Beam Control System (HBC) determines the conditions in front of the vehicle using the Forward Sensing Camera (FSC) while driving in darkness to automatically switch the headlights between high and low beams. Refer to Warning/Indicator Lights. While driving the vehicle at a speed of ab ...

Mazda 6 Service Manual: Schedule 2
    Chart symbols:   I : Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary. R : Replace L : Lubricate C : Clean T : Tighten Remarks:   *1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL ...