Mazda 6 Service Manual: No.8 engine runs rough/rolling idle

No.7 slow return to idle

No.9 fast idle/runs on

Other materials:

Mazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart. - If a DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE.) - ...

Mazda 6 Service Manual: Steering wheel and column inspection
Steering Wheel Play Inspection With the wheels in the straight-ahead position, gently turn the steering wheel to the left and right and verify that the play is within the specification. If the play exceeds the specification, either the steering joints are worn or the backlash of the stee ...