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: General procedures
PRECAUTION (BRAKES) Wheels and Tires Removal/Installation 1. The removal and installation procedures for the wheels and tires are not mentioned in this section. When a wheel is removed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf}. Brake Lines Disconnection/Connection Cautio ...

Mazda 6 Service Manual: Front lower arm (front) removal/installation
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. Front Lower Arm (Front) Ball Joint Removal Note Separate the ball joint from the knuckle using the SSTs. Front Lower Arm (Front) Bushing (Inner Side) Removal Note Press the bushing (inner side) out ...