Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: General procedures
PRECAUTION (CLUTCH) Clutch Pipe Removal/Installation Note A common reservoir is used for the clutch and brake system fluid. 1. If clutch pipes have been disconnected any time during the procedure, add clutch fluid (brake fluid), bleed the air, and inspect for leakage after the procedure ...

Mazda 6 Service Manual: Dsc hu/cm inspection
1. Remove the battery and battery bracket. 2. Disconnect the DSC HU/CM connector. 3. Connect the SST (49 G066 004) to the DSC HU/CM connector and harness side connector. 4. Inspect voltage referring the table below. Terminal Voltage Table (reference value) (Ignition switch is at ON, and conne ...