Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Floor Mat
We recommend the use of Genuine Mazda floor mats. WARNING Make sure the floor mats are hooked on the retention pins to prevent them from bunching up under the foot pedals: Using a floor mat that is not secured is dangerous as it will interfere with the accelerator and brake pedal operation, ...

Mazda 6 Service Manual: Rear door speaker removal/installation
1. Disconnect the negative battery cable. 2. Remove the rear door trim. 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. Rear Door Speaker Installation Note Attach the speaker with the wiring harness placed in the groove of the door unit panel. ...