Mazda 6 Service Manual: No.12 lack/loss of power-acceleration/cruise

No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges

No.13 knocking/pinging-acceleration/cruise

Other materials:

Mazda 6 Service Manual: Head Restraints
Your vehicle is equipped with head restraints on all outboard seats and the rear center seat. The head restraints are intended to help protect you and the passengers from neck injury. WARNING Always drive with the head restraints installed when seats are being used and make sure they are pro ...

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 ...