Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

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: Oil pressure switch inspection
Caution Water or foreign objects entering the connector can cause poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it. On-vehicle Inspection (harness inspection) 1. Disconnect the negative battery cable. 2. Remove the under ...