Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Control Switches
AUTO switch By pressing the AUTO switch the following functions will be automatically controlled in accordance with the selected set temperature: Airflow temperature Amount of airflow Selection of airflow mode Outside/Recirculated air selection Air conditioner operation NOTE AUTO ...

Mazda 6 Service Manual: Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points to best suit the road conditions and driver input. This improves driving feel. The transaxle may switch to AAS mode when driving up and down slopes, cornering, driving at high elevations, or depressing the accelerato ...