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: Spark plug removal/installation
1. Disconnect the negative battery cable. 2. Remove the plug hoie plate. Lift off and remove the plug hole plate from the installation areas (rubber and clips) as shown in the figure. 3. Disconnect the high-tension lead. 4. Remove the spark plugs using the plug-wrench. 5. Install th ...

Mazda 6 Service Manual: Rear coil spring removal/installation
1. Remove the rear auto leveling sensor. (See REAR AUTO LEVELING SENSOR REMOVAL/INSTALLATION.) 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 4. Adjust the headlight zeroset. (See HEADLIGHT ZEROSET.) 5. Inspect the rear wheel alignment. (See REAR WHE ...