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: Trunk Lid
WARNING Never allow a person to ride in the trunk: Allowing a person to ride in the trunk is dangerous. The person in the trunk could be seriously injured or killed during sudden braking or a collision. Do not drive with the trunk lid open: Exhaust gas in the cabin of a vehicle is dangerous. ...

Mazda 6 Service Manual: Oil pressure switch removal/installation
Warning When the transaxle and ATF are hot, they can badly burn. Turn off the engine and wait untill they are cool before replacing ATF. 1. Disconnect the negative battery cable. 2. Remove the under cover. 3. Disconnect the cord assembly connector. 4. Remove the oil pressure switch. ...