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: Towing
Proper lifting and towing are necessary to prevent damage to the vehicle. Government and local laws must be followed. A towed vehicle should have its front wheels off the ground. If excessive damage or other conditions prevent this, use wheel dollies. When towing with the rear wheels on ...

Mazda 6 Service Manual: Idle air control (iac) valve inspection
Note Perform the following inspection only when directed. Operation Test Carry out the Idle Air Control Inspection. (See Idle Air Control System Inspection.) If not as specified, perform the further inspection for the IAC valve. Resistance Inspection 1. Disconnect the negative batt ...