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: Engine control system operation inspection
Main Relay Operation Inspection Verify that the main relay clicks when the ignition switch is turned to ON position and off. If there is no operation sound, inspect the following. - Main relay (See RELAY INSPECTION.) - Harness and connector between ignition switch and main relay termi ...

Mazda 6 Service Manual: Headlight zeroset
Note When the configuration is not set for the auto leveling control unit, headlight zeroset cannot be executed. 1. Adjust the tire air pressure to the specification. 2. Position the unloaded vehicle on a flat, level surface. 3. Connect the SST (WDS or equivalent) to the DLC-2. 4. Turn t ...