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: Dynamic Stability Control (DSC)
The Dynamic Stability Control (DSC) automatically controls braking and engine torque in conjunction with systems such as ABS and TCS to help control side slip when driving on slippery surfaces, or during sudden or evasive maneuvering, enhancing vehicle safety. Refer to ABS and TCS. DSC opera ...

Mazda 6 Service Manual: Fuel Economy Monitor
The Control Status and Fuel Consumption are switched and displayed by operating each icon in the display. In addition, after completing a trip, the total energy efficiency to date is displayed in the ending display when the ending display is turned on. 1. Select the icon on the home screen ...