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: Clutch cover inspection
1. Measure the wear of the diaphragm spring fingers. If not as specified, replace the clutch cover. Depth 0.6 mm {0.024 in} max. 2. Measure the flatness of the pressure plate with a straight edge and a feeler gauge. If not as specified, replace the clutch cover. Maximum ...

Mazda 6 Service Manual: Precaution
Vehicles with ABS/TCS 1. The ABS warning light, BRAKE system warning light, TCS indicator light and/or TCS OFF light illuminate even when the system is normal. *1 : In cases where the light may illuminate, only when ABS/TCS HU/CM detects that speed sensor of rear wheel is malfunctioning. *2 ...