INTAKE-AIR SYSTEM [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (E))]

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Intake-air System

Structural view

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System diagram

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Structure

•  The intake air system consists of the following parts:

Part name	Reference
Fresh-air duct	(See Fresh-air Duct.)
Resonance chamber	(See Resonance Chamber.)
Air cleaner	―
Throttle body	(See THROTTLE BODY [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (E))].)
Intake manifold	―
Accelerator pedal	(See ACCELERATOR PEDAL, KICKDOWN SWITCH [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (E))].)

Fresh-air Duct

Purpose, function

•  Brings in fresh air from outside the engine compartment.

•  Increases air density by taking fresh air, which is cooler than the engine compartment, to enhance the charging efficiency, ensuring combustion stability.

Construction

•  The fresh-air duct is installed to the air cleaner.

SKYACTIV-G 1.5

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SKYACTIV-G 2.0, SKYACTIV-G 2.5

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Resonance Chamber

Purpose, function

•  Pulsation of intake air is controlled and intake air noise is reduced by adding an intake air passage.

Construction

•  The resonance chamber is installed to the fresh-air duct.

SKYACTIV-G 1.5

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SKYACTIV-G 2.0, SKYACTIV-G 2.5

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