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: Dual proportioning valve replacement (without abs)
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. Dual Proportioning Valve Installation Note Install the dual proportioning valve so that the R mark faces the left side of the vehicle. ...

Mazda 6 Service Manual: Rear washer hose removal/installation
1. Disconnect the negative battery cable. 2. Remove the washer tank. (See WASHER TANK REMOVAL/INSTALLATION) 3. Partially peel off the right side mud guard. 4. Remove rear washer hose No.1 from the clips. 5. Remove rear washer hose No.1 and joint pipe A. 6. Remove the A-pillar trim. (See A-PIL ...