Mazda 6 Service Manual: No.7 slow return to idle

No.6 cranks normally but will not start

No.8 engine runs rough/rolling idle

Other materials:

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 ...

Mazda 6 Service Manual: Replacing a Wheel
WARNING Always use wheels of the correct size on your vehicle: Using a wrong-sized wheel is dangerous. Braking and handling could be affected, leading to loss of control and an accident. CAUTION A wrong-sized wheel may adversely affect: Tire fit Wheel and bearing life Ground clearance ...