Mazda 6 Service Manual: Intake-air system

Engine tune-up

IGNITION TIMING INSPECTION Note Ignition timing is not adjustable. Ignition timing verification requires WDS or equivalent. 1. Turn off the electrical loads. 2. Warm up the engine as follow ...

Vacuum hose routing diagram

...

Other materials:

Mazda 6 Service Manual: Nonreturn valve inspection
1. Remove the fuel pump unit. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.) 2. Siphon the fuel from the fuel tank. Note Nonreturn valve is integrated in the fuel tank. The nonreturn valve is normally closed by the spring force. 3. Verify that the nonreturn valve is closed. If the nonretu ...

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 ...