
Diagnostic procedure

No.6 cranks normally but will not start
No.8 engine runs rough/rolling idleMazda 6 Service Manual: Headlight leveling switch removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
Headlight Leveling Switch Removal Note
1. Insert your hand from the lower side of the dashboard and squeeze the tabs
of the headlight leveling switch.
2. Pu ...
Mazda 6 Service Manual: Valve clearance inspection
1. Disconnect the negative battery cable.
2. Remove the tire (RH).
3. Remove the splash shield (RH).
4. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)
5. Remove the high-tension lead.
6. Remove the oil control valve (OCV) connector.
7. Remove the ventilation hose.
8. Remove th ...