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: Shift-Lock System
The shift-lock system prevents shifting out of P unless the brake pedal is depressed. To shift from P: 1. Depress and hold the brake pedal. 2. Start the engine. 3. Press and hold the lock-release button. 4. Move the selector lever. NOTE When the ignition is switched to ACC or the ignition ...

Mazda 6 Service Manual: Cooling system service warnings
COOLING SYSTEM SERVICE WARNINGS Warning Never remove the radiator cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling sys ...