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: Scheduled Maintenance (U.S.A., Canada, and Puerto Rico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions (severe driving conditions) apply. Repeated short-distance driving Driving in dusty conditions Driving with extended use of brakes Driving in areas where salt or other corrosive materials are used ...

Mazda 6 Service Manual: Front brake (disc) removal/installation
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. 3. After installation, depress the pedal a few times, rotate the wheel by hand, and verify that the brake does not drag. Disc Plate Removal Note Mark the wheel hub bolt and disc plate before removal ...