Mazda 6 Service Manual: No.9 fast idle/runs on

No.8 engine runs rough/rolling idle

No.10 low idle/stalls during deceleration

Other materials:

Mazda 6 Service Manual: Manually Shifting Up
You can shift gears up by operating the selector lever or the steering shift switches (some models). M1 → M2 → M3 → M4 → M5 → M6 Using selector lever To shift up to a higher gear, tap the selector lever back (+) once. Using steering shift switch (some models) To ...

Mazda 6 Service Manual: High-mount brake light removal/installation
4SD In-vehicle-type 1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Rear spoiler type 1. Disconnect the negative battery cable. 2. Remove the rear spoiler. (See REAR SPOILER REMOVAL/INSTALLATION) 3. Remo ...