Mazda 6 Service Manual: No.7 slow return to idle

No.6 cranks normally but will not start

No.8 engine runs rough/rolling idle

Other materials:

Mazda 6 Service Manual: Side air bag sensor removal/installation
Warning Handling the side air bag sensor improperly can accidentally deploy the side air bag module, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the side air bag sensor. (See SERVICE WARNINGS.) 1. Turn the ignition switch to LOCK position. 2. ...

Mazda 6 Service Manual: Sst
Some Ford SST or equivalent are used as SSTs necessary for engine repair. Note that these SSTs are marked with Ford SST numbers. Note that a Ford SST number is written together with a corresponding Mazda SST number as shown below. Example (section ST) Example (except section ST) ...