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: Operation
NOTE The engine may not start and security indicator light may illuminate or flash if the key is placed in an area where it is difficult for the system to detect the signal, such as on the dashboard or in the glove compartment. Move the key to a location within the signal range, switch ...

Mazda 6 Service Manual: Rear brake (disc) inspection
Brake Judder Repair Hint 1. (See FRONT BRAKE (DISC) INSPECTION.) Disc Plate Thickness Inspection Caution Excessive runout may result if the disc plate is removed from the vehicle then machined. Machine the disc plate while installed on the vehicle. 1. Measure the thickness of the dis ...