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: Inspection of sst (deployment tool)
Use the SST (Deployment tool) to deploy a live (undeployed) air bag module or pre-tensioner seat belt before disposing of it. Before using the SST (Deployment tool), inspect its operation. Inspection Procedure Follow the steps below to verify that the SST (Deployment tool) is operatin ...

Mazda 6 Service Manual: Front lower arm (front) inspection
1. Remove the lower arm (front) from the vehicle. 2. Inspect for damage, cracks, and bending. 3. Inspect the ball joint rotation torque. (1) Rotate the ball joint five times. (2) Measure the rotation torque using a suitable allen socket and a torque wrench. If not within the speci ...