Mazda 6 Service Manual: No.13 knocking/pinging-acceleration/cruise

No.12 lack/loss of power-acceleration/cruise

No.14 poor fuel economy

Other materials:

Mazda 6 Service Manual: To Decrease Cruising Speed
Press the SET/ switch and hold it. The vehicle will gradually slow. Release the switch at the desired speed. Press the SET/ switch and release it immediately to adjust the preset speed. Multiple operations will decrease the preset speed according to the number of times it is operated. Decr ...

Mazda 6 Service Manual: Engine disassembly/assembly
1. Disconnect the engine and automatic transaxle. (ATX) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION.) 2. Disconnect the engine and manual transaxle. (MTX) (See MANUAL TRANSAXLE REMOVAL/INSTALLATION.) 3. Remove the intake-air system. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Remove ...