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: Light Bulbs
With LED Headlights With Halogen Headlights WARNING Never touch the glass portion of a halogen bulb with your bare hands and always wear eye protection when handling or working around the bulbs: When a halogen bulb breaks, it is dangerous. These bulbs contain pressurized gas. If one is ...

Mazda 6 Service Manual: Fuse Panel Description
Fuse block (Engine compartment)           *Some models. Fuse block (Left side)         *Some models. ...