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: Thermostat
THERMOSTAT REMOVAL/INSTALLATION 1. Remove the plug hole plate. 2. Disconnect the negative battery cable. 3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.) 4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 5. Remove the washer tank. 6. Remove the P/S oil pump. Note ...

Mazda 6 Service Manual: Obd drive mode
Performing the Drive Mode inspects the OBD system for proper operation. The Drive Mode must be performed to ensure that no additional DTCs are present. During Drive Mode, the following systems are inspected: - Oxygen sensor (HO2S) - Oxygen sensor heater - Catalytic converter (TW ...