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: Sas unit removal/installation
Warning Handling the SAS unit improperly can accidentally deploy the air bag modules and pre-tensioner seat belt, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the SAS unit. (See SERVICE WARNINGS.) Caution When replacing the SAS unit, config ...

Mazda 6 Service Manual: Rear side seat belt removal/installation
Caution The ELR has a spring that will unwind if the retractor's cover is removed. The spring cannot be rewound by hand. If this occurs, the ELR will not work properly. Therefore, do not disassemble the retractor. 4SD 1. Fold the rear seat back. 2. Remove the rear side seats. 3. Remo ...