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: Air bag module and pre-tensioner seat belt disposal procedures
Warning Before scrapping a vehicle with a live (undeployed) air bag module and pre-tensioner seat belt, deploy the air bag module and pre-tensioner seat belt. Never dispose of a live (undeployed) air bag module and pre-tensioner seat belt. The air bag module and the pre-tensioner seat ...

Mazda 6 Service Manual: Receiving and Replying to Messages (available only with E-mail/SMS compatible phones)
SMS (Short Message Service) messages, and E-mail received by connected devices can be downloaded, displayed, and played (read by the system). Additionally, replies can also be made to calls and messages in the received messages. Downloading messages Up to 20 new messages can be downloaded and ...