Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

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 ...

Mazda 6 Service Manual: Climate control unit removal
1. Disconnect the negative battery cable. 2. Disconnect the air mix and airflow mode wires from each wire clamp and link. (Manual air conditioner) 3. Remove the center panel. (See CENTER PANEL MODULE REMOVAL/INSTALLATION.) 4. Remove the screws and climate control unit. (Full-auto air conditione ...