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: Replacing Interior Light Bulbs
Overhead lights/Front map lights (LED type), Rear map lights (LED type) The LED bulb cannot be replaced as a single unit because it is an integrated unit. The LED bulb has to be replaced with the unit. We recommend an Authorized Mazda Dealer when the replacement is necessary. Overhead lights/F ...

Mazda 6 Service Manual: Bonnet switch inspection
Note Bonnet switch has a built-in bonnet lock. 1. Open the bonnet. 2. Disconnect the negative battery cable. 3. Remove the radiator grille. 4. Disconnect the bonnet switch connector. 5. Check the continuity between the bonnet switch terminals A and B using an ohmmeter. If there is ...