
Diagnostic procedure

No.8 does not shift to fourth gear (4gr)Mazda 6 Service Manual: Vehicle Loading
WARNING
Do not tow a trailer with this vehicle: Towing a trailer with this
vehicle is dangerous because it has not been designed to tow a trailer and doing
so will affect the drive system which could result in vehicle damage.
This section will guide you in the proper loading of your vehicle, t ...
Mazda 6 Service Manual: Variable tumble control system (vtcs) shutter valve actuator inspection
1. Remove the air hose. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VTCS shutter valve actuator.
3. Connect a vacuum pump to the VTCS shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
If the rod dose not move, replace the intake ...