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: Pre-delivery inspection
PRE-DELIVERY INSPECTION TABLE EXTERIOR INSPECT and ADJUST, if necessary, the following items to specification: - Glass, exterior bright metal and paint for damage - All weatherstrips for damage or detachment - Door operation and alignment including side door and back door - Wheel lug nu ...

Mazda 6 Service Manual: Snow Tires
Use snow tires on all four wheels Do not go faster than 120 km/h (75 mph) while driving with snow tires. Inflate snow tires 30 kPa (0.3 kgf/cm2, 4.3 psi) more than recommended on the tire pressure label (driver's door frame), but never more than the maximum cold-tire pressure shown on the tir ...