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: Dtc clearing procedure
1. Start the on-board diagnostic test mode. 2. First press the POWER button, then simultaneously press AUDIO CONT button for 2 seconds or more. Caution Before clearing the DTCs, be sure to enter all of them displayed in the on-board diagnostic test mode in the Audio Repair Order Form. ...

Mazda 6 Service Manual: Tire Pressure Monitoring System Initialization
In the following cases, system initialization must be performed so that the system operates normally. A tire pressure is adjusted. Tire rotation is performed. A tire or wheel is replaced. The battery is replaced or completely drained. The tire pressure monitoring system warning light i ...