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: Dsc on-board diagnosis
On-Board Diagnostic (OBD) Test Description (See ABS (ABS/TCS) ON-BOARD DIAGNOSIS) DTC Table PID/DATA Monitor Table Active Command Modes Table ...

Mazda 6 Service Manual: Combination switch removal/installation
1. Disconnect the negative battery cable. 2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION.) 3. Remove the steering wheel. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.) 4. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION) 5 ...