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: Traction Control System (TCS)
The Traction Control System (TCS) enhances traction and safety by controlling engine torque and braking. When the TCS detects driving wheel slippage, it lowers engine torque and operates the brakes to prevent loss of traction. This means that on a slick surface, the engine adjusts automatically ...

Mazda 6 Service Manual: Clutch pedal adjustment
Clutch Pedal Height Measure the distance from the upper surface of the pedal pad to the carpet. If not as specified, adjust the pedal height by turning adjustment bolt B and locknut A. Pedal height(with carpet) L.H.D.: 210-216 mm {8.27-8.50 in} R.H.D.: 209-215 mm {8.23-8.46 in} ...