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: Rear drain hose installation
Caution If the rear drain hose is pinched or bent anywhere, the water in the hose may not discharge and enter the inside of the vehicle. During and after installation of the trims and the headliner, always make sure there is no interference with the rear drain hose. Fix any problem if foun ...

Mazda 6 Service Manual: Instrument cluster input/output check mode
Note In this mode, it is possible to check the items in the following chart. Diagnostic Trouble Code Chart Note Diagnostic trouble codes which are not listed may be indicated, but they cannot be inspected. The diagnostic trouble codes are displayed in numerical order. (While ...