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: Electrical parts
Battery cable Before disconnecting connectors or removing electrical parts, disconnect the negative battery cable. Wiring Harness To remove the wiring harness from the clip in the engine room, pry up the hook of the clip using a flathead screwdriver. ...

Mazda 6 Service Manual: Cruise actuator removal/installation
1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Cover Removal Note Unclamp the clips of the heater hoses at the front of the cover. ...