Mazda 6 Service Manual: No.9 abnormal shifting

No.8 does not shift to fourth gear (4gr)

No.10 frequent shifting

Other materials:

Mazda 6 Service Manual: Oil control valve (ocv) removal/installation
L3 1. Disconnect the negative battery cable. 2. Remove the plug hole plate. 3. Remove the high-tension lead. (See HIGH-TENSION LEAD REMOVAL/INSTALLATION.) 4. Remove the oil control valve (OCV) connector. 5. Remove the ventilation hose. 6. Remove the cylinder head cover. (See Cylinder Head Co ...

Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble control solenoid valve. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 2. Inspect airflow between the ports under the following conditions. If not as specified, replace the variable tumble control solenoid valve. If as specified, carry out the Circuit Open/Short ...