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: Seat Precautions
WARNING Make sure the adjustable components of a seat are locked in place: Adjustable seats and seatbacks that are not securely locked are dangerous. In a sudden stop or collision, the seat or seatback could move, causing injury. Make sure the adjustable components of the seat are locked in p ...

Mazda 6 Service Manual: Control valve body removal
On-Vehicle Removal Warning Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyes whenever using compressed air. Caution Clean the transaxle exterior throughout with a steam cleaner or cleaning solvents before removal ...