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: Immobilizer system reprogram procedure
Note When an error occurs during the reprogram procedures, except when the PCM is replaced, repeat the procedure from Step 1. If you still cannot reprogram, confirm how many keys can start the engine. Then, perform the key replacement or addition reprogram procedure according to the val ...

Mazda 6 Service Manual: Height Adjustment
Adjust the head restraint so that the center is even with the top of the passenger's ears. To raise a head restraint, pull it up to the desired position. To lower the head restraint, press the stopcatch release, then push the head restraint down. Front outboard seat Rear outboard seat ...