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: Variable intake-air system (vis) shutter valve actuator inspection (l3)
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Disconnect the vacuum hose from the VIS shutter valve actuator. 3. Connect a vacuum pump to the VIS shutter valve actuator. 4. Apply vacuum and verify that the rod moves. If the rod dose not move, replace the intake ma ...

Mazda 6 Service Manual: Supplemental Restraint System Components
(With Front Passenger Occupant Classification System) (Without Front Passenger Occupant Classification System) Driver/Front passenger inflators and air bags Roll-over sensor (some models), crash sensors, and diagnostic module (SAS unit). Seat belt pretensioners Front air bag sensor ...