Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Lane-Change Signals and Three-Flash Turn Signal
Lane-Change Signals Move the lever halfway toward the direction of the lane change—until the indicator flashes— and hold it there. It will return to the off position when released. Three-Flash Turn Signal After releasing the turn signal lever, the turn signal indicator flashes three times ...

Mazda 6 Service Manual: Front wheel alignment
Specification (Unloaded)*1 Normal Elevated*3 *1 : Engine coolant and engine oil are at specified level. Spare tire, jack and tools are in designated position. *2 : Difference between left and right must not exceed 1°30'. *3 : Distance between wheel center and fender brim is 402 mm {15.8 ...