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 Rotation
WARNING Rotate tires periodically: Irregular tire wear is dangerous. To equalize tread wear for maintaining good performance in handling and braking, rotate the tires every 12,000 km (7,500 miles). However Mazda recommends to rotate every 8,000 km (5,000 miles) to help increase tire life and ...

Mazda 6 Service Manual: Center roof antenna removal/installation
1. Disconnect the negative battery cable. 2. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.) 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. 5. After installation, verify that the rubber of the center roof antenna is installed to the r ...