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: Aluminum Wheel Maintenance
A protective coating is provided over the aluminum wheels. Special care is needed to protect this coating. CAUTION Do not use any detergent other than mild detergent. Before using any detergent, verify the ingredients. Otherwise, the product could discolor or stain the aluminum wheels. NOTE ...

Mazda 6 Service Manual: Operating Tips for USB device
This unit plays audio files as follows: CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction. NOTE Playback may not b ...