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: Basic power window system inspection
Manual Mode Function Inspection Automatic Mode Function Inspection Automatic Window Return Function Inspection IG OFF Timer Function Inspection Two-step Down Function Inspection The distance the door glass opens can be changed using the two-step down function. (Approximately 20- ...

Mazda 6 Service Manual: Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. This vehicle will perform best with fuel listed in the table. * U.S. federal law requires that octane ratings be posted on gasoline st ...