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: Camshaft position (cmp) sensor inspection
Caution When foreign material such as an iron chip is on the CMP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CMP sensor when replacing. Note Perform the follow ...

Mazda 6 Service Manual: Control valve body installation
On-Vehicle Installation Caution Be sure to align the parking rod and the manual valve. 1. Install the accumulator springs and accumulators into the transaxle case. 2. Install the control valve body component. Tightening torque 7.8-10.8 N·m {80-110 kgf·cm, 70-95 in·lbf} Bo ...