Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: Recommendations for Shifting
Upshifting For normal acceleration, Mazda recommends these shift points: For cruising, Mazda recommends these shift points: Downshifting When you must slow down in heavy traffic or on a steep upgrade, downshift before the engine starts to overwork. This reduces the chance of stalling and ...

Mazda 6 Service Manual: Trip Computer and INFO Switch (Without Multi-information Display)
The following information can be selected by pressing the INFO switch with the ignition switched ON. Distance-to-empty mode Average fuel economy mode Current fuel economy mode Compass mode If you have any problems with your trip computer, consult an Authorized Mazda Dealer. Distanc ...