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: Front door key cylinder removal/installation
1. Remove the front door unit. 2. Remove the cover, then remove the bolt. 3. For protector-equipped vehicles, pull out the protector tab from the latch and remove the protector. 4. Disconnect the rod. 5. Remove the front outer handle. 6. Turn the key cylinder in the direction indicated by ...

Mazda 6 Service Manual: Cylinder head gasket
CYLINDER HEAD GASKET REPLACEMENT Warning Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel ...