Intake system — general information (Mazda 6 GG)

The function, design and operation of the Mazda6 (GG) intake system with L3, LF and L8 engines are the same as the current 323 (BJ) FS engine, except for the following:

to improve maintainability, the AAS throttle body is not used.
the intake manifold is made of plastic to reduce weight.
variable Air Duct (VAD) system is used to improve engine performance.
a variable intake system (VIS) is used. This system is similar to the VICS system of the current 323 (BJ) model with FS engine.

Fig. 2.56. Mazda 6 intake system: 1 – air filter; 2 – idle speed controller; 3 – resonance chamber; 4 – VIS system control solenoid valve (L3); 5 – Variable tumble control solenoid valve; 6 – L8, LF engines; 7 – intake manifold; 8 – VIS system flap actuator (L3); 9 – actuator of the VTCS valve; 10 – VAD system check valve (L3); 11 – Fuel supply control pedal (RHD); 12 – accelerator cable (RH D); 13 – Fuel delivery control pedal (LHD); 14 – accelerator cable (LHD); 15 – VAD system valve (L3); 16 – VAD system control solenoid valve (L3)