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: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wir ...