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: Inspection of dtcs for operation mode
Note The cruise set indicator light will illuminate for 3 seconds? when operation mode is on. If the cruise set indicator light does not illuminate for 3 seconds (Operation mode is not on)? the following may be the cause of the malfunction: - Cruise actuator ignition power suppl ...

Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons why vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for: - ...